Which deduction is optional

What is the product of the radical expression. (7-2square root) (8+2 square root)

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?