The coordinates a(0, 0), b(0, 4), c(3, 4) and d(3, 0) are graphed and connected together. what 3-dimensional shape will be created when this shape is rotated about the y-axis?

What is not true about kl and mn? what is mn? (show your work)

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)