Write an equation for a circle with a diameter that has endpointsat (-4, -7) and (-2 ,-5)

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?

Hello, i need compare km^2 and km. what's difference in this?