A test consists of 10 true/false questions. Assume 10 independent trials. To pass the test a student must answer at least 9 questions correctly. If a student guesses on each question (probability of getting a correct or wrong answer is 0.5), what is the probability that the student will pass the test?

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?