Answer:
x2 - 4x - 21
Step-by-step explanation:
Area = (x -7 )(x +3)
= x*x - 7*x + x*3 - 7*3
=x2 - 4x - 21
Use the formula 0 = b^2-4ac
0 = -b^2-4(2)(-9)
0 = -b^2+72
b^2 = 72
b = square root of 72
b = 2 real numbers
Answer:
I tried solving it and didn't get same exact numbers but I got 8.67 million people so it might be answer choice B.
Answer:
f/c
Step-by-step explanation:
it is bcs 913/4 and the same concept is used
