A gym teacher orders 42 tennis balls. Each package contains 3 tennis balls. Which of the following equations represents the number x of packages?
A. x + 3 = 42
B. 3x = 42
C. x/3 = 42
D. x = 3/42

B

Step-by-step explanation:

3 balls in each package and you multiply that by the number of packages to get the total amount of tennis balls

B. 3x = 42

Explanation:

When you figure out what x represents you should be able to multiply x and 3 to get 42.

Also to find x divide 42 by 3.

(w – 2.5)(w + 2.5)

(–4v – 9)(–4v + 9)

step-by-step explanation:

what level of math? also i don't need to be paid if i can you.