Josh and Lucy share some money in the ratio 3:7 Lucy receives £42 more than Josh.
How much money does Josh receive?

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

Evaluate cos2θ for cosθ = square root of 3/2

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2