Which property could be used to find the missing number?

(-8 + 3.1) • (4.2 + 7) = (4.2 + 7) • (-8 + )

A.

associative property

B.

commutative property

C.

distributive property

Me. kirk drove 164 miles in the morning and 219 miles in the afternoon. Estimate the total number of miles she drove that day

At 10 a. m., there were 12 people in a swimming pool. At 11 a. m., there were 27 people in the pool. What was the percent of increase in the number of people in the swimming pool from 10 a. m. to 11 a. m.?

A math class conducted an experiment where each student flipped a coin 10 times. The class flipped heads 158 heads and 172 tails. How does the experimental probability of flipping heads compare with the theoretical probability of flipping heads

How to solve 6^x-2=1/4

Solve the equation for y. 5x - 7y = 10. A. y=-7/5x-7/10 B. y=5/7x+10/5 C. 5/7x-10/7 D. y=-5x-7

What number does these numbers share 400,300,255?

Lacy is 4 years younger than Madison. The sum of their ages is 20. Let m represent Madison's age. Which of the following equations can be used to find Madison's age?

What is 5 divide by 50

Object a is 1.3 centimeters long and object b is 130 millimeters long. which of the following statements are true? A: the lengths are equal. B: object b is 10 times longer then object a. C: both measurements are less then 1 meter.

What percent is $20 out if $35