Solve the given equation by using the quadratic formula. 2x2 - 3x - 4 = 0. what value is under the radical in your answer? (note: you are asked only to identify the value under the radical, not the solution to the equation.) 23 25 32 41

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Which term applies to agb and dge? a. obtuse b. supplementary c. complementary d. vertical

He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2