Sarah went on a one-day bus tour from las vegas to the grand canyon. the cost of the bus ticket was $80. she also paid 15% of the cost of the ticket as a tip to the bus driver. what was the amount of the tip that sarah paid the bus driver?

$5

$12

$15

$19

! and show work!

6.3x+14 and 1.5x-6 answer in simplified form

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.