In the following table, elevation is the input and amount of snowfall is the output.

elevation (in feet) snowfall (in inches)
2000 4

3000 6

4000 9

5000 12
does this situation describe a function?
a.
no, each amount of snowfall is paired with only one elevation
b.
yes, each amount of snowfall is paired with one elevation.
c.
yes, all the snowfall values are different.
d.
no, all the elevation values are different

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price