Answer:
Option A is correct
the expression is equal to
is 
Explanation:
Given expression is, 
Multiply and divide by the denominator by
in the given expression, we have,

or

use : 
then;

Therefore, the expression is equal to
is, 
If we look at his calculations
2((9)(20) is the front an back rectangle
2((9)(34)) is the side rectangles
(34)(20) is the bottom
2(1/2(20(24)) is te front and top triangles
and the last one assumes that they are triangles which is incorrect
answer is D
Answer:
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
The graph is gradually decreasing but stops
The answer is 12.5 seconds.
48/5 = 120/x
x = 2.5
2.5 * 5 = 12.5