Evaluate the function.
f(x) = x^2-4
Find f(5)

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long. at what angle is the sun above the horizon at that time?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?