25.13cm^2 or 8pi. The radius of a circle is 2 x pi x r^2. R is the radius. 2 x pi x 2^2cm -> 2 x pi x 4cm -> 8cm x pi -> 25.13cm^2. Leaving the answer in terms of pi would be 8pi.
1) 12 cookies per hour
2) train travels 80 miles per hour
Round 9 3/4 to 10 ft
10 × 4 = 40 ft²
answer is 40ft² estimated
2:10 and 4:20
therfor
1:5
times 5
5:25
answer is 25 minutes
Sales tax is .30 cents because 2.39+1.59=3.98
multiply by the sales tax which would be .075 after you move the decimal. you get .2985 cents so round it up to .30 cents
