Why did the umpire throw the chicken out of the game

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

Rena used the steps below to evaluate the expression , when . step 1: substitute into the expression. step 2: simplify the parentheses. step 3: evaluate the power to a power. step 4: use reciprocals and find the value. in which step did rena make the first error?