In a school board election Sharon got 60% of the vote, and Melvin got 40%. If 280 people voted for Melvin instead of Sharon, Sharon would have received only one third of Melvin's votes. How many people voted in the election?

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation:

i think it would be c

mark brainliest if im right

step-by-step explanation:

answer: -10

step-by-step explanation:

s(t) = 1 - 10t

s(x) = 1 - 10x

s(x + h) = 1 - 10(x + h)

            = 1 - 10x - 10h

s(x + h) - s(x) = 1 - 10x - 10h - (1 - 10x)

                      = 1 - 10x - 10h - 1 + 10x

                      = -10h

= -10