Convert the fraction 17/25 to a percent

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

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee