Answer: D
Over the interval [4,7], the local minimum is -7
⅚. You first find out how many feet are in a yard (three). Then you write the fraction- 10/12. Then you reduce. The number two can evenly go into both of those numbers. Ten divided by two is five. Twelve divided by two is six. So, your final answer is ⅚.
First 1/5 is equivalent to 20% so to get 20% of both of them multiply by .2. so 400×.2=80 and 90×.2=18
So firstly, square root 9a^2 and 49: 
Next, combine like terms, and your answer will be
, or the third option.
Answer:
cups plaster of paris.
Step-by-step explanation:
Given:
for one batch of sidewalk chalk =
cup plaster of paris.
Number of bathes = 3
We need to find quantity of plaster of paris.
Solution:
For making 1 batch of sidewalk chalk =
cup plaster of paris.
For making 3 batches of sidewalk chalk =
cup plaster of paris.






Therefore, he needed
cups plaster of paris.