3^4 and 3^-6
multiply, add, subtract?
Answer:
1/ -2.65
2/ 1/8
3/ 14.28
4/ -7.9
Step-by-step explanation:
Just add and subtract.

To divide by a fraction, you multiply by its reciprocal, which you find by flipping the numerator and the denominator. 
Multiply the numerators and the denominators separately. 
Simplify by dividing both sides of the equation by
. 
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