Answer:
ABD
Step-by-step explanation:
Answer:
hello,
answer C
Step-by-step explanation:
area of the rectangle=2b*b=2b²
area of the half cercle= 
Area in blue= 2b²-πc²/8
Answer: sometimes!
Step-by-step explanation: I hope this helps!
Answer:
57.60$
Step-by-step explanation:
45*.28=12.60
12.60 + 45= 57.60