World: 1.10 Challenge 3 (IF Statements)

Ineed here’s a picture of the question

What are two numbers that have a sum of 15?

The motion of a weight that hangs from a spring is represented by the equation h=8sin(2pi/3t). it models the weight’s height above or below the rest position as a function of time. approximately when will the object be 3 inches above the rest position?