Need help! Due today

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january. what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed. use 3.14 for π .

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false