It takes about 20 minutes to grade a students paper. How long in hours does it take to grade papers for a class of 25 students

A company makes two similar cylindrical containers. The total surface area of the smaller container is 0.81 times that of the larger container. The height of the larger container is 60 cm. What is the height of the smaller container?

Abel opened a bank account. He deposited $63.50 into his account every month for 20 months. He used $40.50 every month to pay for comic books. After 20 months, he used 1 over 2 of the total money left in his account to go to a comic book convention.

An old lady has 125 cats. seven of them are old, 9 of them are her favorite, 5 of them are both (old and favorite). how many of them are neither old nor favorite? answer:

What is the soulotion x+y=3, y=-x-1

19t=8v (q-2h) solve for q

When you add two numbers the sum is 15 and the difference is one

State the rule that must be used when adding and subtracting decimals

A pitcher holds 8 and one half cups of orange juice and I pour all of the juice evenly into six different glasses. How many cups of juice will there be in each glass?

Find the dimensions of the rectangular corral split into 2 pens of the same size producing the greatest possible enclosed area given 300 feet of fencing. (Assume that the length is greater than or equal to the width.

What is the volume of a rectangle prism that has a length of 2cm width of 3cm and a height of 5cm