A triangle is placed in a semicircle with a radius of 9 ft, as shown below. Find the area of the shaded region. Use the value 3.14 for (pie symbol), and do not round your answer. Be sure to include the correct unit in your answer.

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1