Sal ate dinner at his favorite restaurant. sal knows that the amount of the bill before tax will be $52.60 and that the sales tax rate is 8%. sal decides to leave a 20% tip for the waiter based on the pre-tax amount. use this information to answer part a and part b below.

part a
how much will sal leave for a tip?

part b
what is the total bill for sal's dinner including the tax and tip?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

Two groups of students were asked how many hours they spent reading each day. the table below shows the numbers for each group: group a 1 2 1 1 3 3 2 2 3 group b 3 2 3 2 2 2 1 1 2 based on the table, which of the following is true? the interquartile range for group a students is 0.5 less than the interquartile range for group b students. the interquartile range for group a students is equal to the interquartile range for group b students. the interquartile range for group a employees is 0.5 more than to the interquartile range for group b students. the interquartile range for group a employees is 1 more than the interquartile range for group b students.