7less than m as an algebraic expression

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

What is the gcf of 20c^3-5c^4+30c^6

Nellie is analyzing a quadratic function f(x) and a linear function g(x). will they intersect? f(x) g(x) graph of the function f of x equals one half times x squared, plus 2 x g(x) 1 5 2 10 3 15