If you start at (6,10) and move 5 units to the right and 4 down what will you end up on

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

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

Ineed me i stuck and i don’t want to get it wrong