M<2= (4x-1) m<6= (y-31)
and m<8= 105.
What is the value of y and x? (Geometry)

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

What percent of the circle below is shaded?

Which number line represents the solution set for the inequality -1/2x> 24?