Calculate 
. You need not expand your answer.
?
?
A. 
B. 
C. 
D. 
E. 0.5
Answer: B
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Translate the English sentence into a mathematical sentence and solve, if necessary. Use x as the variable.The height of a member of the basketball team is at least 81 inches.
A. x > 81 B. x < 81 C. x ? 81 D. x ? 81
Use the addition rule to solve the problem.One digit from the number 7,969,559 is written on each of seven cards. What is the probability of drawing a card that shows 7, 9, or 6?
A. 
B. 
C. 
D. 
Solve the problem.The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. The helicopter flies for 2 hours and uses 22 gallons of fuel. Find the number of gallons of fuel that the helicopter uses to fly for 4 hours.
A. 8 gal B. 48 gal C. 55 gal D. 44 gal
Find the area of the rectangle or square.
19 in.
A. 2156 square inches B. 2166 square inches C. 1805 square inches D. 133 square inches