Erin has a $20 bill with which to buy coffee . if she buys 2 pounds of ground coffee at $4 per pound and spends the rest on gourmet coffee at $8 per pound how many pounds of gourmet coffe can she buy?

The isosceles triangle has two sides of equal length, a, that sre longer than the length of the base ,b. the equation 2a+b=15.7 can be used to find the sides length. if one of the longer sides is 6.3 centimeters what is the length of the base

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

If f(x) = 2x - 6 and g(x) = 3x + 9, find (f - g)(x). a. (f-g)(x) = x + 15 o o b. (f- g)(x) = -x - 15 o c. (f- g)(x) = 5x + 3 o d. (f- g)(x) = -x+3 submit