Answer:
A. x = 9
D. x = 0
Step-by-step explanation:
The formula to solve a quadratic equation of the form
is equal to

in this problem we have
so

substitute in the formula


therefore
The solutions are x=0 and x=9
Answer:
495 cm3
Step-by-step explanation:
5x9x11
Answer:
its c and its right
Step-by-step explanation: