Andrew bought supplies for the office. he bought memo pads that cost $17.96 and computer paper that cost $45.67. how much change should he receive from a $100 bill?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

What is the lcm of 16 and 40 ? 24 and 40 ?