PLEASE HELP!! How much should you invest at 5% annual rate to have the annual interest $150

If you invest 300.00 dollars and your annual interest is $27 , what is the interest rate?

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

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