a department store buys 300 shirts at a cost of 3600 and sells them for $20 each. find the percent markup rounded to the nearest percent

This needs to be done quick you are studying different function tools and begin working with this function y=-160-9(x) use the equation to answer the question y=-160-9(x) what is the y value when x equals -13? y=-160-9(x)

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).