Do you mean add are subtract
i will glad to help in comments
if you awnser
9.43 x 10^12 is the answer
Answer:
the sum of 4 and a number
4 plus a number
Answer:
15 feet
Step-by-step explanation:
if the dog run is a rectangles then the formula for the perimeter is 2h+2l
if we plug in the numbers we know we get this:
2h+2(5)=40
2h+10=40
2h=30
h=15
