What is the y-coordinate of the solution of the system of equations? {y=3x−262x−y=19 enter your answer in the box.

Solve: 3x+y=6 4x-2y=18 show all work !

Ihave trouble finding the nth term of a linear sequence

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)