There is a sales tax of $12 on an item that costs $126 before tax. a second item costs $105 before tax. what is the sales tax on the second item?
seriously me!

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189