Simplify
-3.1 - 1.9n + 5.3 + 3.1n
1.2n+2.2
Find the next two numbers in the sequence 3, 7, 15, 27, …
43, 63
x/-3=-27
x=81
A lunch bill is d dollars. You get a birthday discount of 10% off. Write two different expressions for the discounted lunch bill.
0.9d
d - 0.1d
Factor
36n-54
18(2n-3)
x-1 1/2=-2.3
x=-0.8
Skating costs $7.50 per hour. In addition, skate rental costs $5.00. If Sisiya spends $35.00 skating, write an solve an equation that can be used to determine the number of hours she skates.
7.5h+5=35
h=4
Write an expression for the perimeter of the shape. Then simplify.

2(2q-1)+2(r+1)+3q+3
=4q-2+2r+2+3q+3
=7q+2r+3
-6(x-6)=48
x=-2
The perimeter of the hexagon shown is 56 feet. Find the length that is labeled x.

x=2
From a sushi tray, Sisiya ate 1/4 of the sushi pieces, Xiaolian ate 1/3 of the pieces, and Grace ate the rest of the sushi. If Xiaolian ate 3 more pieces than Sisiya, how many pieces of sushi did Grace eat?
15
Which expression makes the statement
0.4 – ? + 4.8 = 1 true?
A 2.1 – 5.5
B 5.5 – 2.1
C -1.3 – 2.9
D 1.3 + 2.9
D
-4x+21=-15
x=9
You spent $5 to make cookies and sells each cookie for $0.50. You want to make at least $10. Which inequality can be used to determine the least number of cookies, c, you need to sell?
A 5c – 0.5 ≥ 10
B 5c – 0.5 ≤ 10
C 0.5c – 5 ≥ 10
D 0.5c – 5 ≤ 10
C
The Boys’ Dance Club rented an ice cream machine for $50. It made a batch of ice cream cones but 10 were wasted or eaten before selling. The raw material for each ice cream cone, included the wasted and eaten ones was $0.25. They sold the cones for $0.50 each. How many ice cream cones do they need to sell to cover the rental fee and the material cost?
210
Simplify
4(3-p)-7+5p
5+p
3(y+10)=18÷6/7
y=-3
How much should they charge for each cone if they want to cover the cost by selling 100 cones?
$1.00