A truck can be rented from Company A for $100 a day plus $0.40 per mile. Company B charges $70 a day plus 0.70 per mile to rent the same truck. Find the number of miles in a day at which the rental costs for Company A and Company B are the same.

What is the length of the unknown leg in the right triangle ?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation