Answer:
200
Step-by-step explanation:
Substitute 15 for y




-4 or
Rise 4 and run 1 to the left (that's what makes it negative)
I am guessing you want to round to the tenths, because nothing comes after the hundredths. So it would be 0.9. (But it would stay the same if you are rounding to the hundredths.)
Answer:
2×π×(1/2)L×L+2×π×((1/2)L)^2
Step-by-step explanation:
perimeter of cross-section × height +2× area of cross-section