A cyclist travels 4 miles in 20 minutes. At this rate, how many miles does the cyclist travel in 30 minutes?

Write an equation of the line given the two points below (write your equation in slope-intercept form, y=mx+b): (-4, 4) and (6, -4)

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.