D20) A department store buys 200 shirts at of $2,400 and sells them at a selling price of $20
each. Find the percent markup.
Pls answer now I need it pls

What is y-5=3(x+1) in slope intercept form

The daily production of a company is modeled by the function p = -w^2 + 75w - 1200. the daily production, p, is dependent on the number of workers (w) present. if the break-even point is when p=0, what are the least and greatest number of workers the company must have present each day in order to break even? 50 points! will give brainliest!

What number should be added by both sides of the equation to complete the the square? x^2-10x=7