Simplify: (-20)4 ÷ (-20)1
)4
b. (-20)5
c. -201
)3

It says factor each expression completely 8y+48

What is the value of x when x + 7 = 21?

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?