What does 5 + -12 equal?
-7
Simplify the expression.
14x + 12 − x − 3
13x + 9
A biscuit recipe has a ratio of 3 cups of flour to 1/2 cup of water. What is the value of the ratio of flour:water?
3 ÷ 1/2
3/1 x 2/1 = 6
What is the diameter?
16 ft
Describe the following likelihood.
The probability that it will rain tomorrow is 30%.
Unlikely
What does -4 x -7 equal?
28
Solve for b.
8b = -48
b = -6
Solve the proportion.
10 = x
__ __
16 6
x = 4
What is the formula for circumference of a circle?
C = 2πr or C = πd
You roll a 6 sided die. What is the probability you would roll a number that 1 or 5?
2/6 = 1/3
What is 5/6 - 1/4?
7/12
Solve for k.
3(4x - 2) = 42
x = 4
A graph of a proportional relationship needs what two things to be true for it to be proportional?
#1 Needs to be a straight line
#2 Needs to pass through the origin
The radius of a circle is 7. What is the circumference of the circle? Use 3.14 for pi.
2 x 3.14 x 7
= 43.96
What is the the experimental probability of spinning a pink? Write your answer as a fraction
8/35
What is 1/3 x -8/9?
-8/27
Solve for x.
x - 15 > 4
x > 19
24 is what percent of 60?
24/60 = 0.4
0.4 x 100 =
40%
The diameter of a circle is 32. What is the area of the circle? Use 3.14 for pi.
32/2 = 16
3.14(16)2
803.84
50 students were as what their preferred ice cream flavor is out of the choices above. What percent of students prefer strawberry ice cream?
8/50 = 0.16
16%
What is -8.64/-12?
0.72
Solve for y.
-3y – 7 < 2
y > -3
You and a friend order food at a restaurant and the total is $35.64. If you leave a 15% tip what will your new total be? Round your new total to the nearest dollar.
35.64 X 0.15 = 5.346
35.64 + 5.346 = 40.986
$41
The circumference of a circle is 75.36. What is the radius? Use 3.14 for pi.
75.36/3.14 = 24
24/2
12
50 students were as what their preferred ice cream flavor is out of the choices above. If there were 350 students asked, how many students would you expect to say that their preferred ice cream flavor is vanilla?
350 / 50 = 7
7 x 10
70 students