Richard gets his hair cut every 3 weeks. His hair dresser charges him $25.00 each time. A reasonable tip is 10%. Richard pays him $28.00 each time. What percent, to the nearest whole does Richard tip his hairdresser?

12%

Step-by-step explanation:

28 - 25 = 3

3/25 = 0.12

0.12 x 100 = 12%

(- 1, 0 )

step-by-step explanation:

an x- intercept is where the function crosses the x- axis.

to find the x- intercept/s look for the value of x when f(x) = 0

from the given table there are 3 values of x where f(x) = 0

when x = - 1, x = 2, x = 3

the one that is listed is (- 1, 0 )

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