Susan runs 22 km in 2 hours and 45 minutes. What is her average speed in km an hour?

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.

Find the x-intercepts for the parabola defined by this equation: y=-3x^2-6x+9

Find the slope and y-intercept of each line y=4x+1