Jenna and Ava are staring up at a bird. Jenna is directly east of the bird and Ava is directly west. Jenna is 100 feet from the bird and Ava is 90 feet from the bird. Jenna and Ava are 71 feet from each other. Find Jenna's angle of elevation to the bird. Round your answer to the nearest whole degree.

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

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

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?