Select all the correct answers.

Which relations are functions?

A:

x y

-2 - 4

-2 - 6

0 - 8

2 - 10

B:

x y

0 4

10 5

20 6

10 7

C:

x y

2 - 10

1 - 20

0 - 10

-1 - 20

D:

x y

2.5 0

3.5 4

4.5 8

6.5 12

E:

x y

-10 4

-20 5

0 6

-10 7

Wich decimal number best describes the fraction 137/6

What is the factored polynomial 3n^2-48

Estimate by first rounding each number to the nearest. 1/2 3 4/11 2 1/10

Which description best describes the graph? Linear increasing Linear decreasing Nonlinear increasing Nonlinear decreasing

To test μ for an x distribution that is mound-shaped using sample size n ≥ 30, how do you decide whether to use the normal or Student's t distribution? A. If σ is known, use the standard normal distribution.

Find f when 27f=81 f=

Akira is saving money to buy a bicycle. He already saved 80 and plans to save an additional 5 each week find the total amount he has saved after any number of weeks

In some ways, a debit card is more vulnerable to theft than cash or a checkbook. Explain how this is so.

Solve step by step 5 (2x-8) + 15=-15

What does rt means on geometry