(50 POINTS) Would be worth more if I didn't get scammed out of points my last question so don't answer wrongly or it will just be removed, thanks!

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 is the measure of angle x? answer

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m