Please help me with this question and I need explanation/reason clearly. If no explanation given I might have to report. Here's the question:

Bill invests £500 on 1st January 2004 at a compound interest rate of R% per annum(means per year).

The value, £V, of this investment after n years is given by the formula:

V=500*(1.045)^n

a)Write down the value of R.

What are the solutions to the equation 4x2+3x=24-x

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.