Find the solution to the following equations 2x-y=-3 x+y=0 (0,0) (-1,1) (1,-1)

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

In the diagram of circle o, what is the measure of zabc?

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)