What is the following expression 3x^2+5 is it monomial or binomial or neither

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

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?