Answer: 20%
Step-by-step explanation: the decimal is 0.2 and that make the percentage 20%
I think its 9 because 9 times 2 is 18 9 times 6 is 54 and 9 times 8 is 72
7y-6=4y+11
Collect like terms
7y-4y=11+6
3y=17
y=17/3
The 7th tower will be 161 cm tall. You take 115 and divide it by 5 and then you get how much each cube is ,then you get 23 per cube then you multiply 23 by 7 and that's how you get your answer.
Answer:A
Step-by-step explanation:
The formula is 2pir, so you divide by the 2, the pin the pi, then you have the radius, r.