Agreat deal of the history of mathematics can be credited to ancient egyptians. for example, egyptians are generally credited with developing the quadratic formula around 1500 bc. the cairo opera house is located in cairo, egypt. assume that the relationship between the amount of revenue and the price of a ticket, is given by the quadratic function f(1) = -0.002.02 +0.64.1 - 35.25 where x represents the cost of a ticket in egyptian pounds (egypt’s currency), and f(x) represents the revenue in thousands of pounds. a. find the ticket cost that would produce the maximum revenue. b. how much is the maximum revenue?

Beatrice decides she wants to babysit a few children at the same time to earn the money faster. she tells parents that if they allow her to babysit their children at her house, she will eliminate her automatic $5 tip and will give them an additional $5 discount. (a) write an equation showing the total cost for each client. identify all variables. (b) four parents bring their children to beatrice’s house at the same time for babysitting. beatrice wants to find out how many hours she must babysit the 4 children to earn exactly the $100 she needs in order to buy the present for her mother. write and solve an equation to find the number of hours. justify each step in the solution. (c) one parent decides not to drop off her child. the remaining 3 parents drop their children off at 9 a. m. two of the parents say they will be back at 1 p. m. the third parent says she will pick up her child at 2 p. m. at noon, beatrice realizes she needs feeding the 3 ch

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?