Which expression represents, twice the difference of two numbers?

A. 2z - y

B. 2 (x - y)

C. 2 - x - y

D. 2 (x + y)

Input - - 3 output = 2 what is three possible rule for this table?

If a=3/6 and b=-3/-5 find - 3a+4b

Let x represent the number of television show episode that are taped in a season. Write an expression for the number of episodes taped in 4 seasons

Joel and his two friends went to the movies. They each brought a medium popcorn. All together they spent $45. How much did each boy spend on a movie ticket

At an ice cream store, one family bought four ice cream cones and three sundaes for $14. Another family bought six cones and two sundaes for $14.75. Which system of equations represents the finding of the cost of one sundae and one ice cream cone?

Ramiro did a survey of the number of pets owned by his classmates. What was the mean deviation of the number of pets?

a recipe calls for 5 8 cup butter angie wants to triple the recipe but she only has 1 1/8 cups of butter.

Kim is reading a book with 380 pages. she read 20 pages each day until she reached part 2 of the book. part 2 of the book is 160 pages long. she uses the equation 380-20d=160380-20d=160 to represent the number of days, d, it took her to read part 1.

Y = { (2, 6), (3, 1, 4), (1), (5, 6) } Is y a function and why?

A regular pyramid has a_ base and a vertex over the center of the base. A. square B. polygon C. regular polygon D. equilateral triangle