Marvin used the money he received from high school graduation gifts to start a new
savings account with a simple interest rate of
7.5%. After 12 years, the account had
earned $288. If there were no other deposits
or withdrawals, what was the original
amount placed in the account?

true !

step-by-step explanation:

y= 2x+7

changed to y= 5x +7

as slope is increased from 2 to 5

therefore it would be less steeper

so, option d) is correct

what are you doing do you need examples of variable questions?

step-by-step explanation:

5a-1=9               bring the one over the =

5a=10                     divide by your variable

a=2

brainliest? ?

here try this one

3a-24=0