How many solutions exist for the system of equations given below? 3a + 4b = 20
12a = 80 − 16b

Select one:
A. One solution
B. Two solutions
C. Infinitely many solutions
D. No solutions

6n^2-7n-75=0 solve by quadratic formula

Abouncy ball is dropped such that the height of its first bounce is 5.5 feet and each successive bounce is 64% of the previous bounce's height. what would be the height of the 7th bounce of the ball? round to the nearest tenth (if necessary).

Graph the equation by plotting point x=2