It’s a test Please help me!!! 2. What is the y-intercept of the line graphed on the grid?
y
7
(-2,7)
S
4
3
(6, 1)
2
- 1
9-9-7-6-S -4 -3 -2
1
2
34
-1
-1
5 6 7 8 9
-2
-2
-4
-6
-
-8

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

At 6 1/2 cents per pound of string beans how much does 7 pounds cost