Dr. black is standing 15 feet from the streetlamp. the lamp is making his shadow 8 feet long. he estimates that the angle of elevation from the tip of his shadow to the top of the streetlamp is 50°. to the nearest foot, the streetlamp is about

How many zeros does the function f(x)=4x3-x2+1 have

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)