a gym teacher orders 42 tennis balls. each package contains 3 tennis balls. which of the following equations represents the number (x) of packages.
x + 3 = 42
3x = 42
x/3 = 42
x = 3/42

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?