Bilassan, MalakA and Sedra are in a square room with a perimeter of 40 feet. If they want to hang a curtain along one full side of the room, how long does the curtain need to be?

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

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