Car “a” cost $43,000 and gets 48 miles per gallon, while car “b” cost $24,000 and gets 23 miles per gallon. assume you drive 12,000 miles per year and gas cost $2.42 per gallon. how many years will it take for car “a’s” better fuel economy to outweigh its higher initial cost?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.

Identify the parent function that can be used to graph the function f(x)=3(x-9)2