A dealer currently makes a profit of x% of his cost when he sells goods. If the dealer could get his goods for 8% less while keeping his selling price fixed, his profit would be increased to (x+10)% of his cost. Find x.

Having a hard time understanding this question (see attachment).

Convert (-3,0) to polar form. a. (3,0’) b. (-3,180’) c. (3,180’) d. (3,360’)

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?