Answer: 4=-2x -1 and y=-1 2x
Answer=2/3
720/1080=72/108=8/12=2/3
720/1080=2/3
Mentally
As they are numbers which you can do mental math with since they are whole numbers.
Answer:
Step-by-step explanation:
two semicircles each of diameter 8 inches makes one circle with diameter=8 in.
radius r=8/2=4 in.
area of shaded region= πr^2=π×4²=16 π in²
≈16×3.14
≈50.24
≈50.2 in²
