Arestaurant customer left $3.50 as a tip. the tax on the meal was 7% and the tip was 20% of the cost including tax. a.) what piece of information is not needed to compute the bill after tax and tip? b.) what was the total bill?

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.