Simplify each expression 7b/12a-1/18ab^3

The khan's car averages 22 miles per gallon of gas. predict how far they can travel on 5 gallons of gas.

Use the recursive formula to answer the question. a1=20 an=an-1-5 What is the 4th term in the sequence?

Congruent angles must satisfy which of the following conditions? A. They have the same angle measure. B. The sum of their measures is 90. C. They share a vertex and a side.

There were 240 pages in a book. A student reads 10 pages on the first day, 14 on the second day and 16 pages on the third day. What fraction of the book was read and what fraction was left.

A recipe calls for 2/3 cup of sugar for every 2 teaspoons of vanilla. What is the unit rate in cups per teaspoon?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.