What is the sum of 3 and n ?select all that apply a. 3n
b. n+3
c. 3+n
d. n+n+n
c. n to the 3rd power

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?