If gas costs $3.50 per gallon, how many whole gallons of gas could you buy with $45.00

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

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?