Aubrey's dinner cost $85. She tips the waitstaff 30%, for excellent service. How much does Aubrey tip the waitstaff?

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Find the maximum value of p= 4x + 5y subject to the following constraints :