Souvenir hats T-shirts, and jackets are sold at a rock concert. Three hats, two T-shirts, and one jacket cost $140. Two hats, twoh T-shirts, and two jackets cost $160. One hat, three T-shirts, and two jackets cost $178. Find the prices of the individual items.

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.

Convert 3,200,000 to a scientific notation.

What is the equation for the line that passes through the points (-6,4) and (-2,9) answer in point slope form