For the function f(x)={−x+3,x>02x+3,x≤0, what is the average rate of change over the interval 1 ≤ x ≤ 3?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?