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:
It is natural
Step-by-step explanation:
Answer:
68
Step-by-step explanation:
you have to add to 180 and 68+112=180
250 × 3 = 750
D. 750
And i think i have already answered this one before..
Answer:
7/12
Step-by-step explanation: