Find the range of possible lengths of the third side of the triangle A. 5,8
B. 6,10
C. 14,11

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.

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school