Skylar needs $56 to buy a new video game. if he doubles the amount of money he has now, he will have enough to buy the game with $8 left over. how much money does skylar have right now?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

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

How are sas and sss used to show that two triangles are congruent?