At a point 20m from the base of a water tank, the angle of elevation of the top of the tank is 45°. what is the height of the tank?

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

Use set builder notation to represent the following set: { -3, -2, -1, 0}