Answer:
45-20 = 25
Step-by-step explanation:
2+2=4
infinitely many
320 sq in
4(1/2*8*16) + (8*8)
= 4(64) + (64)
= 5(64)
= 320
-5t^2 +2t -3
Collect terms in the sum:
G+P = (3t^2 -5t +6) +(-8t^2 +7t -9) = (3-8)t^2 +(-5+7)t +(6-9)
= -5t^2 +2t -3