Simplify (4x^2 + 9x + 2) + (-2x^2 + 2x - 3).

Given: quadrilateral talk is a parallelogram. prove: ta congruent lk and al congruent kt

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Which statement justifies why angle ebc measures 90?