Atree casts a 25 foot shadow. at the same time of day, a 6 foot man standing near the tree casts a 9 foot shadow. what is the approximate height of the tree to the nearest foot?

If a =6, what is the value of 2a(3b + 5c)?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years