A rectangle has the perimeter of 60in and the length is 3 in less than twice the width. What is the length

How do i put 3(x+7) in distributive property

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i

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?