What is the greatest common factor of 18x and 21?

Which is an arithmetic sequence? A) 9, 12, 16, 20 ... B) 9, 11, 13, 16 ... C) 1, 5, 9, 13, 17 ... D) 1 2 , 1 4 , 1 6 , 1 8 ...

Determine which polynomial is a perfect square trinomial. 49x^2 - 28x + 16 9a^2 - 30a + 25 25b^2 - 45b - 81 16x^2 - 24x - 9

Rachel is saving money to buy a bike. She has $52 and is going to save an additional $8 each week. The bike costs $164. In how many weeks will she have enough money to buy the bike?

How do you solve p-7/12>3/10

What fraction is of a dollar is 7 dimes and 4 pennies

How do you change a fraction into a decimal

1. Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 11 feet by 11 feet by 3 inches for a patio if the concrete costs $63.00 per cubic yard? $211.75 $70.58 $317.63 $1,905.75 2. The volume of a cylinder is 980 in.

The Hawaiian language has 12 letters: five vowels and seven consonants. Each of the 12 Hawaiian letters are written on a slip of paper and placed in the bag. A letter is randomly chosen from the bag and then replaced.

A rectangular prism with a volume of 3 cubic units is filled with cubes with side lengths of 1/4 units. How many unit cubes does it take to fill the prism?

The table shows the sales at a book fair this week if the cost of each book was4$ how many were sold on Tuesday