Tanya is making bomemade greeting cards. The data table below represents the amount she spends
in dollars for), in terms of the number of cards she
N
4
7.50
6
9
O 0)
9
11.25
12
10
Write a linear function, får), that represents the
data. Explain what the slope and y-intercept of
fix) mean in the given context.

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

Can some one me with these questions

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?