Please answer both questions, not just one. And both must be detailed answers with an example each if possible 1. If the slope or y-intercept of one equation in the system changes, what effect does it have on the linear system?

2.You are comparing the rate of renting two halls. The point of intersection is (20, 400). What could the point of intersection mean in context to this question?

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.

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)