A=pR^2-2pr^2, since R=15 and r=7.5
A=225p-112.5p
A=112.5p
A≈353.25 ft^2
1. C
2. A
Hope this helped, enjoy your day.
Answer:
26 because if x= -7 then -3 X - 7 = +21
+21 +5 = 26
C
If you plug in the values in that equation, it works.
The upper quartile is, Q1, is 45. The lower quartile, Q2, is 85. The interquartile range is 40. I hope this helps!
