Well 21 times 2 is 42 and 1/3 of 21 is 7 so 42+7 is 49. hope this is right
Answer:
816 square feet
Step-by-step explanation:
13(16+20+12) + 16(12) = 816
The sum is 160/(1-r)=1280 where r is the common ratio,
1/(1-r)=1280/160=8
Inverting we get 1-r=1/8, r=7/8.
Answer:
8*8*8= <em><u>8^3= 512</u></em>
Step-by-step explanation: