Evaluate the expression, using the given value of the variable.
4 – 2x + 5x when x = 4
a.
–24
b.
–18
c.
16
d.
28

If 1 km = 0.621 miles, how many miles are in a centimeter

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

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?