1. At Parker's Pizza Parlor, the total cost of an order of 5 slices of pizza is $12.37. This price includes $1. 12 in sales tax Let p represent the cost of 1 slice of pizza.
(a) Write an equation to represent this scenario.
(b) Solve the equation for p to determine the cost of 1 slice of pizza. Show your work.

The answer is %2,4

Step-by-step explanation:

Residents can press on 10 different button choice when they enters the elevator. Number of components for the sample space for the event is

There are 8 different possibilities that 3 consecutive buttons are pressed those are:

-1,2,3

-2,3,4

-3,4,5

-4,5,6

-5,6,7

-6,7,8

-7,8,9

-8,9,10

When the pressing order doesn't matter, those buttons can be pressed 3 different ways for each possibility.

The probability is: