An art dealer makes a 17.5% commission on every painting sold. if a painting sold for 1,500, wjhat was the commission

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

Match each inequality to the number line that represents its solution