D=51/77
First set up the equation equal to zero(0), the distribute from there.
Answer:
c= -18
Step-by-step explanation:
c+4c= -90
combine like terms
5c= -90
Divide by 5 on both sides
c= -18
Answer:
84 feet
Step-by-step explanation:
If the perimeter is 36 feet, and all the sides are the same length, then all the sides are 9. if we increase the length by 3 feet and decrease the width by 2 feet then we are left with 12 * 7 = 84
-10p+9=12
-9 -9
-10p=3
—— —
-10 -10
P=3/-10 or -0.3
