What is the rate of change for f(x = 7 sin x ? 1 on the interval from x = 0 to x = pi over 2?

Ineed with this math problem p(65)=500×1.0325*65 the star means that you have to times it like 1.0325×1.0325?

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

What is the result of adding the system of equations? 2x+y=4 3x-y=6