Find the value of the expression 4a + 7 when a= 1/2.
pl help quiiick

The answer is 9

Step-by-step explanation:

1/2 of 4 is 2, so you plug that in

2+7=9

twenty-six miles over two gallons because the proportion for the original 13 miles to one gallon would be written 13/1 and, doing the same thing to the top and bottom, i multiplied by 2 and got 26/2

1. 523.33 cubic inches

2. 113.04 cubic inches.

3. 17.41.

4. 16.49

i think this should be your answer

hope i

-lavira : )