Sally and mabel had the same number of cards at first. after sally sold 18 of her cards, mabel had four times as many cards as sally. how many cards did each girl have at first?

Which best explains why this triangle is or is not a right triangle?

I’m which figure is point g an orthocenter

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?