Help me, please. Also, help me with my other question. Which of the following functions could be the inverse of function f?

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

Two positive integers are 3 units apart on a number line. their product is 108. which equation can be used to solve for m, the greater integer? m(m – 3) = 108 m(m + 3) = 108 (m + 3)(m – 3) = 108 (m – 12)(m – 9) = 108

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?