Agame that cost $45 is on sale for 30% off. what is the sale price?

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.