Simplify: 4(1/2 + 5/4) + -5 = ?me and show work because i need to understand how to do this i’m confused

Factor this polynomial completely x^2-64

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

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 .