A circle with radius of 1 cm sits inside a 3 cm x 4 cm rectangle.
What is the area of the shaded region?
Round your final answer to the nearest hundredth.

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Is the figure congruent? yes or no?

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11