Answer:
15
Step-by-step explanation:
5:22=15:66, simply multiply 3 in the right hand side
Answer:
27
Step-by-step explanation:
2h+11=65
2h= 65-11
2h=54
then divide both side by two to find h
Answer:
2
Step-by-step explanation:

Answer:
r = 21 cm
Step-by-step explanation:
The radius of a circle is 1/2 of the diameter
r = 1/2d
r = 1/2(42)
r = 21 cm
Answer:D and E are correect
Step-by-step explanation: