Helppp! (m−3+4n)⋅(−8)

2-digit numbers less than 91 which are 1 less than a multiple of 10

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

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 .