Solve linear inequality in one varible ?
7x+12> 5

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

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.

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?