You bought a magazine for $5 and four erasers. you spent a total of $25. how much did each eraser cost?
solve and write an algebraic equation for it.
all 5 stars and

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

What point is the projection of q on a) r b) s c) t

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.