Two adjacent angles on a straight are in the ratio of 5:4 find the measure of both angles

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The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required