Add. 8x^2-4x-3+5x^2-2x-6

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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)

How do you write y-10=2 (x-8) in standard form