20. An open-top box is constructed by cutting equal squares from the corners of a cardboard sheet that measures 32 cm by 28 cm. Determine ALL possible dimensions of the box if it has a volume of 1920 cm. Show your steps. 32 cm 28 cm

A cereal box measures 2 in. by 8 in. by 10 in. What is the volume of the box? How many square inches of cardboard make up its surfaces? Disregard any hidden flaps.

A 5-inch by 7-inch picture is surrounded by a frame of uniform width. The area of the picture and frame together is 80squareinches. Find the width of the frame.

Tom Morrow wants to buy some fertilizer for his yard. The lot size is 140 ft by 160 ft. The outside measurements of his house are 80 ft by 35 ft. The driveway measures 30 ft by 20 ft. All shapes are rectangular. aWhat is the square footage of his yard that needs to be fertilized? bIf each bag of fertilizer covers 5000ft2, how many bags should Tom buy? cIf the fertilizer costs 18 per bag, what is his total cost?

Kristine creates an open box by cutting congruent squares from the four corners of a square piece of cardboard that has a length of 24 in. per side. If the congruent squares that are removed have sides that measure 6 in. each, what is the volume of the box formed by folding and sealing the flaps?

The roof of the house shown needs to be reshingled. a Considering that the front and back sections of the roof have equal areas, find the total area to be reshingled. b If roofing is sold in squares each covering 100ft2, how many squares are needed to complete the work? c To remove old shingles and replace with new shingles costs 97.50 per square. What is the cost of reroofing?