Answer:
9 + 10 = 19
1 + 2 = 3
Step-by-step explanation:
To add 2 to 1, look at a number line and start at the point 1 and go two numbers to the right to end at 3.
True 24=24
4+8+12=3x8
12+12=24
24=24
Answer:a) C = 2πr
b) 37.68feet
c) r = C/2π
d) 5.89feet