Please help me solve this
2[15x-(4+2)]+9

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Write the slope intercept equation for line ab.

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.