PLZZ HELPP ILL GIVE BRAINLIST

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

What’s the domain of this function? fastttt

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?