Answer:
36x - 7
Step-by-step explanation:
20 and 28 can be divided by 4, so just take the 4 out so the answer should be 4(5x - 7)
Answer:
second graph
Step-by-step explanation:
Answer:

see the explanation
Step-by-step explanation:
we know that
The area of the base of a cylinder is given by the formula

where
r is the radius of the circular base
If the radius is doubled
then

The new base area is


so

therefore
The new area of the base is 4 times the area of the original base
Answer: D:
To get system B, the second equation in system A was replaced by the sum of that equation and the first equation multiplied by 5. The solution to system B will be the same as the solution to system A.
Step-by-step explanation: