Find any values of the variable that make the expression undefined.
A. 7
B. 0
C. -7
D. None
Answer: C
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Find the area of the parallelogram.P1 (1, 2, 0), P2 (-3, 4, 3), P3 (0, -2, 4)
A. 
B. 6
C. 
D. 
Choose the most reasonable unit of measure.Area of a lake: 4 
(mm2, cm2, m2, km2)
A. m2 B. cm2 C. km2 D. mm2
Solve the problem.The function M described by M(x) = 2.89x + 70.64 can be used to estimate the height, in centimeters, of a male whose humerus (the bone from the elbow to the shoulder) is x cm long. Estimate the height of a male whose humerus is 
long. Round your answer to the nearest four decimal places.
A. 157.3400 m B. 156.5375 cm C. 30.9300 cm D. 160.0277 cm
In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.a = 1 ft, c = 30 ft
A. b ? 31 ft B. b ? 30.0 ft C. b = 29 ft D. b ? 5.4 ft