X time 7 = 21 What is X

16,48, 144, ... Find the 6th term.

One face of a cube has an area of 12 feet. what is the surface area of the cube a 12 feet b 144 feet c 72 feet d 24 feet

The quotient of fifty-six and a number

Last year, an orange tree produced 36 oranges. This year, it produced fewer than 10. What are the possible values for how many fewer oranges were produced from the tree this year

Perform the multiplication, (7x^2+a^2) (x^2-3a^2)

Two expressions set equal to each other creates an what?

In a certain card game, For every four blue cards, there are three yellow cards. There are a total of 84 blue and yellow cards in the game how many blue cards are in the game

How do I write 4/9 plus 3/5 multiplied by 6

Mrs. gauthier plans to take her class on 2 field trips this year there are 23 students in her class and each field trip will cost $5 per student use mental math to find the total cost for both field trips

Steven had $250. He bought some T-shirts at $8 each and had $q left. How many T-shirts did he buy?