There are 40 houses in a neighborhood. • Company X provides electricity to 1/8 of the houses.
• Company Y provides electricity to 1/2
of the houses.
• Company Z provides electricity to the remaining houses.

In this neighborhood, Company Z provides electricity to —

15 houses

Step-by-step explanation:

40 ÷ 8 = 5  Company X provides electricity to 5 houses

40 - 5 = 35

Half of 40 = 20  Company Y provides electricity to 20 houses

35 - 20 = 15

Company Z provides electricity to 15 houses.

d is correct

step-by-step explanation:

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.