I WILL LITTERALLY GIVE BRAINLIEST TO THE FIRST PERSON TO ANSWER THESE QUESTIONS IF THEY ARE CORRECT:

Which expression represents the value, in dollars, of a certain number of dimes, d, and nickels, n?

0.10d + 0.05n
0.05d + 0.10n
0.15d + n
0.15dn

What is the solution to the equation x + 7.5 = 21.5?

x = 2.9
x = 7.8
x = 14
x = 29

If 9x = 63, then x = ___. (Only input whole number)

Arby's age is 6 years less than 7 times Anna's age. If Anna's age is x years, which expression best shows Arby's age?

x
7x − 6
x − 1
6x − 7

Ricky made 86 phone calls in 3 months. In the first month she made 21 calls, and in the second month she made 19 calls. How many calls did she make in the third month?

21
40
46
65

A group of students must collect at least $150 to organize a science fair. They have already collected $90. Which graph best represents all remaining amounts of money, in dollars, that the students should still collect to organize the science fair?

Number line graph with closed circle on 240 and shading to the right.
Number line graph with closed circle on 90 and shading to the right
Number line graph with closed circle on 60 and shading to the right.
Number line graph with closed circle on 150 and shading to the right.

The cost of 3 bottles of apple spread is $7.41. What is the cost of each bottle of apple spread?

$1.62
$2.47
$4.41
$10.41

If n is at least 7, which inequality best represents the values of n?

n > 7
n < 7
n ≥ 7
n ≤ 7


Lacey has $36 to spend. She buys a pair of sunglasses for $14.89 and a hat for $9.33. Lacey buys a scarf with the remaining money. How much does Lacey spend buying a scarf?

$4.66
$7.44
$11.78
$24.22

A store sold 70 copies of a magazine for $350. Each copy of the magazine costs the same. Which equation and set of ordered pairs best represents the price (y), in dollars, of a certain number of copies (x) of the magazine?

y = 3x; (1, 3), (2, 6), (3, 9)
y = 4x; (1, 4), (2, 8), (3, 12)
y = 5x; (1, 5), (2, 10), (3, 15)
y = 6x; (1, 6), (2, 12), (3, 18)

If y = 20x, which table shows the values of y for different values of x?


x 0 2 4
y 0 20 40

x 0 2 4
y 0 22 24

x 0 2 4
y 0 10 5

x 0 2 4
y 0 40 80

If y is 15 times x, which equation shows the relationship between x and y?

y = 15 + x
x = 15 + y
x = 15y
y = 15x

Minni has to buy stickers, erasers, and a pencil. She can only spend $4. A sticker costs $0.35, an eraser costs $0.99, and a pencil costs $0.59. Can Minni buy 2 stickers and 2 erasers?

[Use the inequality 0.35x + 0.99y + 0.59 ≤ 4]

Yes, because the total will be $3.27
Yes, because the total will be $1.93
No, because the total will be $4.27
No, because the total will be $5.93

A set of numbers is shown below:

{3.1, 4.2, 7.2, 8.4, 12.2}

The number __ from the set will make the equation x + 2 = 6.2 true.

A set of numbers is shown below:

{0, 0.4, 1, 2, 3}

Which of the following shows all the numbers from the set that make the inequality 4x + 1 ≥ 5 true?

{2, 3}
{1, 2, 3}
{0, 0.4, 1}
{0.4, 1}