6√5 - 4√7 would be your answer.
<em />I hope this helps love! :)
Answer:
11a. 15x + 6
11b. x + 8 < 16 or x + 8 - 16
12. 3x + 15 + 5x = 8x + 15
13. 7x + 31
Step-by-step explanation:
Answer:
10.37
Step-by-step explanation:
find the area of the whole rectangle which is 30 then find the area of the circle which is 19.63 then subtract 30-19.63
Answer: 650 Ft above the trough of the valley. Explanation 450 - (-200) = 650