I need help asap with this question it’s due tonight

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

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza