The dress store is having a sale where all merchandise is 1/4 off. A woman buys $50 of merchandise at the sale price. What would she have to pay at the regular price? ANSWER PLZZ!!

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.