A freight elevator has a capacity of 3500 pounds. ​a) If a barrel averages 70 pounds and a crate 140 ​pounds, write an inequality that describes when x barrels and y crates will cause the elevator to be overloaded. ​b) Graph the inequality.

In the surface area formula for cylinders which expressionrepresents the lateral area

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

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}