What is the zero of the following function?

A.
x = -1
B.
x = 1
C.
x = 5
D.
x = -5

What value of x is in the solution set of –5x – 15 > 10 + 20x?

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.