Answer:

Step-by-step explanation:
Let
x------> the number of books
we know that
The linear equation that represent this situation is equal to

solve for x
Divide by
both sides


Answer:
37 because 37 was in the middle of all these value when placed dorm smallest ro biggest
120
The original length is 12 and the width is 8 so
12 x 3+36
8x3=24
24+24+36+36+120
You would need 31 Vans for everyone to be transported.
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