The perimeter of a square is the product of four and the length of a side. which of the following function rules could be used to find the perimeter of a square, represented by y, given the length of a side, represented by x?
x = 4y
y = 4x
y = x + 4
x = y + 4

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?