What is the equation (in slope-intercept form) of a line that passes through the point (3, -2) and has a slope of -2?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?