Evaluate the expression for the given values. mx−y when m=2, x=7, and y=5 enter your answer in the box.

How many $20 bills do you need to have to make $280

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse. a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?