Which statement is true? A. The sum of two positive integers is sometimes positive, sometimes negative.
B. The sum of two negative integers is always negative.
C. The sum of a positive integer and a negative integer is always positive.
D. The sum of a positive integer and a negative integer is always negative.

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations