A store spends $10 on brand jeans and adds a 120% markup to the cost. Eddie incorrectly chose $12 as his answer. Explain to Eddie what he did wrong.

What can you determine about the solutions of this system

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?