Answer: B. -9/8
Step-by-step explanation:
If he does three hours, its 9 strips, for four, its 12, six is 18, seven is 21, and nine is 27
I would say (I am abbreviating square root to sqrt)
1. 4 sqrt(8488) = 4 sqrt(2x2x2122) = 8 sqrt(2122)
2. 3 sqrt(6936) = 3 sqrt(6x34x34) = 102 sqrt (6)
3. 2 sqrt(8648) = 2 sqrt(2x2x2162) = 4 sqrt(2162)
Answer:
66.8421% decrease
Step-by-step explanation:
Answer:
the 1st one
Step-by-step explanation:
i hope its right
sorry if worng