Is 6.7 rational or irrational

Which expressions are equivalent to -6 + 3m

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid

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 .