The cost to rent a paddleboat at the city park includes an initial fee of $7.00, plus $3.50 per hour. which equation models the relationship between the total cost, y, and the number of hours, x, that the paddleboat is rented?

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?