In what time will the interest on $960 amount to $61.20 at 8.5% per annum?​

What is the y-intercept of the graph of the equation y=3(2^x)

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points