A20-foot-tall lamp post casts a shadow that is 28 feet long. standing next to the lamp post is a 6-foot tall man. about how long is the shadow of the man?

For how answer my question this will be the last question can you answer in math subject

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

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