Factor out the gcf:
4x2 - 8x - 16

a. 4x(x2 - 2x - 4)
b. 4x(x - 2 - 4)
c. 4(x2 -2x - 4)
d. 4x(x - 2) - 16

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Which expression converts 45 degree to radians

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?