Which equation represents the situation shown in the bar diagram? A bar diagram with 15 across the top row and 4 n's and a 2 across the bottom row.
n + 2 = 15
4n + 2 = 15
4(n + 2) = 15
4n – 2 = 15

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?