Arithmetic Summation Find the sum of the first n terms of the arithmetic series.
40 + 37 + 34 +31 +...

n=20

Which of the following pairs of functions are inverses of each other? o a. f(x)=x72+8 and 96-9 = 7/x+2) =8 o b. f(x)= 6(x - 2)+3 and g(x) - *#2-3 o c. $4) = 5(2)-3 and 90- 4*: 73 o d. f(x) = 6)-12 and 910 – +12

Could somebody me with this radical simplification?

Describe a situation where it would be beneficial to round decimals to the nearest dollar. explain why you would use rounding in that situation.