Which expression represents the number of possible combinations of n items taken r at a time?

The ordered pairs (1,6), (2,12), (3,18), (4,24) and (5,30) represent a function. what is a rule that represents this function? y=6x y = (x+6) ^2 y=x^6 y=6x

Why cant the world fall into a pit of darkness? whats keep it form falling?

Cheryl uses the graph below to convert x, a measurement give to y, the equivalent measurement in another unit. Which of the following conversations does the graph best represent?

What is 12.1 as a fraction in simplest form

Karen uses her credit card to purchase a new television for $695.20. She can pay off up to $325 per month. The card has an annual rate of 17.9% compounded monthly. How much will she pay in interest? $6.28 $16.96 $20.44 $62.16

A function rule takes an input, n, and converts it into an output, y, by increasing one half of the input by 10. Determine the output for this rule when the input is 50 and then write an equation for this rule.

Write the fraction 1 and 1/2 as a decimal

Courtney had $55 to spend at the fair. She paid $22.50 for rides and $14.25 for lunch and snacks. Courtney says she has $18.25 left to play games at the fair. Which explanation explains whether Courtney is correct or not? A. Courtney is not correct.

What are all the common factors of 24,64 and88

Which graph represents the solution to the given system? y = - 4x + 4 y = 1/2 x - 2