Answer:
48
Step-by-step explanation:
80/100=0.8
0.8x60=48
The perimeter is 44.5
The area is 72.25
Answer:
C & D
Step-by-step explanation:
Because A&B are wrong
Answer:
16
Step-by-step explanation:
Answer:
a=-0.5
Step-by-step explanation:
Distributive property for left side, difference of squares for right side.
8a-9a^2=-40+36-9a^2
-9a^2 cancels out
8a=-4
a=-0.5