-13 + 7 =
Marley is doing a research project on whether or not students in her school eat healthy food. She decides to interview her friends who do gymnastics with her.
Is her sample biased?
Yes
Solve for n.
2n + 6 = 46
n=20
Eight is 5% of what number?
160
Find the experimental probability for rolling a six:
A die is rolled. It was rolled 300 times and a six occurred 54 times.
54/300
Solve for n.
83 = -3n - 25
n=-36
Find the volume of the rectangular prism with a length of 8 in., width of 4 in., and height of 2.5 in.
80 cubic inches
45 ÷ (-15) =
-3
What is the IQR for each family?
Gomez- 5
Smith- 4
Solve and graph the inequality below.
3k + 10 ≤ 22
k ≤ 4
Graph- closed circle going left
Various pieces of string are cut at different lengths. Stephanie selects three pieces that measure 4.5 cm, 6 cm, and 8.5 cm. Determine what type of triangle Stephanie will form.
A unique triangle
3⁄10 ÷ -4⁄5
-15/40 or -3/8
What is the mean of the number of tractors?
8
Solve for n.
n/3 - 17=4
n=63
Find the value of x in the figure.
100
Kim bought a hat in California. The hat cost $15 before the 8% sales tax was applied. How much did Kim pay for the hat after taxes were added?
Kim paid $16.20
How many possible outcomes are possible if you choose from 6 ice cream flavors, 2 different sizes of scoops, 2 toppings, and a waffle cone or a cup?
72
A fifteen passenger van is rented for a family vacation. The van rental is $75.00 per day, plus a $160.00 insurance fee. What inequality could be used to find x, the number of days the car be rented if they want to spend no more than $760.00 on the van rental?
75.00x + 160.00 < 760.00
A cell phone tower picks up signals within a 25 mile radius. How many square miles of coverage does the cell phone tower provide?
1,962.5 square miles