An art gallery hangs 7 small square pictures on a wall. Each square picture has side length 11cm

a.) Write a calculation for the total area of the wall covered by pictures

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out