If a=-3, then - (a4) =
A -12
B 81
C-81
D 12

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Which equation represents the line that passes through the points and (4, 10) and (2, 7)? y = 3/2x - 11y = 3/2x +4y = - 3/2x + 19y = - 3/2x + 16

If f(x)=x+7 and g(x)=1/x what is (fog)(x)