Pls help with this :)

Can (3,5 and square root 34) be sides on a right triangle?

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much