Help please
just do number 12

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

Ineed someone to me answer my question i have to have this done and knocked out

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50