Please help me. I will mark brainliest, rate 5 stars, and heart the answer. Also, you get 50 points.

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?