a jar contains red and green balls. a person reaches in and randomly selects a ball to indicate the number of points earned or lost. there are four red balls, each labelled +3 points how many green balls, each labelled -2 points, would be required for this to be a fair game?me with this data management question

Malia is observing the velocity of a cyclist at different times. after two hours, the velocity of the cyclist is 15 km/h. after five hours, the velocity of the cyclist is 12 km/h. part a: write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. show your work and define the variables used. (5 points) part b: how can you graph the equations obtained in part a for the first 12 hours? (5 points) if you can try and make this as little confusing as you can

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Qrst is a parallelogram. determine the measure of ∠q pls