To find out, all you have to do is divide 91980 by 36. Doing this will give you the result 2,555. This means that 36 can go into 91980 2,555 times.
A(b)=10*((b+7)/2)
A(b)=5(b+7)
b+7=A/5
b=A/5 - 7
B(a) = a/5 - 7
Answer C.
6x + 5y = 7
-6x - 9y = -9
-4y = -2
y = 1/2 or 0.5
2x + 3(1/2) = 3
2x + 1.5 = 3
2x = 1.5
x = 0.75
The equation of a parabola is given by

where

is the vertex.
We have the vertex is (-3,-2) so we have

and

Substituting -3 and -2 into the



Hence, the correct answer is
option D
Step 1
find the area of the wall
area of the wall=10*20------> 200 ft²
step 2
if 200 ft²---------------------> contains 1 ton of briks
1800 ft²--------------------> x
x=1800/200------> x=18/2-----> x=9 tons
the answer is
9 tons