Can someone help me with this math work?

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

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

Qrst is a parallelogram. determine the measure of ∠q pls