Answer the question.What is the angle between the hour and the minute hands if the time is 7:30?
A. 45°
B. 390°
C. 30°
D. 72°
Answer: A
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Solve the problem.Mr. Larsen's third grade class has 22 students, 12 girls and 10 boys. Two students must be selected at random to be in the spring play. What is the probability that one boy and one girl will be chosen? Order is not important.
A. 
B. 
C. 
D. 
Solve.The pressure exerted by a column of water amounts to 0.434 psi of surface for every foot of height or head. What is the total pressure exerted on the bottom surface of a cylindrical container 20 inches in diameter if the head is 5 feet? Round to the nearest pound.
Fill in the blank(s) with the appropriate word(s).
Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 29,400,000,000,000 B. 600,000 C. 29,400,000 D. 600,000,000,000
Solve the problem.A woman walks 100 yards eastward along a straight shoreline and then swims 30 yards southward into the ocean on a line that is perpendicular to the shoreline. Using her starting point as the pole and the east direction as the polar axis, give her current position in polar coordinates. Round the coordinates to the nearest hundredth. Express ? in degrees.
A. (104.40, -16.70°) B. (11.40, -16.70°) C. (104.40, -88.28°) D. (11.40, -88.28°)