Which of the following is a monomial?

A. 20x9 - 7x

B. 11x - 9

C. 20x9

D. 9

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x

A road crew can repave 1/30 miles of road each hour. They must repave a road that is 2/5 miles long. How long will it take the crew to repave the road? Write your answer in simplest form.

A small casserole servers 4 people. How many casseroles do you need to make in order to feed 16 people

A bakery sells glazed donuts for $1.09 each. Cinnamon bagels and onion bagels are $1.59 each. Max buys x donuts, y cinnamon bagels, and z onion bagels. Which expression represents the total amount Max spent at the bakery?

Solve by using the method of elimination (X and Y) : 3x+4y=300

Which will most benefit you financially?

What adds to - 3 and multiplies to - 54

White the number 876,543,210.25 in expanded notation

What is the area of a triangle that has a heaight of 5 feet and a base length of 4 feet

Susan will spend less than $39 on gifts. So far, she has spent $21. What are the possible additional amounts she will spend?

The diameter of a circle is 26 m what is the circles circumference