Jose has $0.20 worth of pennies and nickels. He has 5 times as many pennies as nickels. By following the steps below, determine the number of pennies, x and the number of nickels, y, that Jose has. Determine three ways to have 5 times as many pennies as nickels:

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.

When solving a logarithm equation, how do you find the missing variable ?

Point m is located at (-4, -6). what is located 4 units from point m? ( its on a coordinate plane by the way. )