1. The cost C (in dollars) per unit of making x photocopies at The Office Shop is given below. • 18 cents for at most 20 copies
• 12 cents for more than 20 copies up to 50
• 9 cents for more than 50 copies but less than 100
• 5 cents for 100 copies or more but up to 200
• 3 cents for more than 200 copies

Part A: Write the piecewise-defined function that represents the situation.
Part B: Explain why it would not be cost-effective to make 150 photocopies

() at a farm, animals are fed bales of hay and buckets of gain. each bale of hay is in the shape of a rectangular prism. the base side lengths 2 feet and 3 feet, and the height is 5 feet. each bucket of grain is a cylinder with diameter of 3 feet. the height of the bucket is 5 feet as the height of bale. a. which is larger in area, the rectangular base of the bale or the circular base of the bucket? explain how you know b. which is larger in volume, the bale or the bucket? explain how you know

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.