Which of the following coordinates exists on the line y=3x+1 ?

Three coins are flipped. what is the probability that there will be at least two tails?

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5