Gina wants to go to the water park with her friends. They have a total of x dollars to buy 7
tickets. Each ticket costs $21.40 including the tax. Write a one step algebraic multiplication
equation to solve for the amount of money they have altogether.

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.