Use the addition property of equality to solve the equation.5 = f - 7

A. -2
B. 2
C. -12
D. 12


Answer: D

Mathematics

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Find the probability.In a certain college, 33% of the physics majors belong to ethnic minorities. Find the probability that, from a random sample of 10 physics majors, exactly 4 do not belong to an ethnic minority.

A. 0.2564 B. 0.0467 C. 0.2253 D. 0.0547

Mathematics

Convert as indicated. Express the answer in decimal form when needed.12 kilometers per minute to meters per hour

A. 0.72 m/hr B. 200 m/hr C. 720,000 m/hr D. 5000 m/hr

Mathematics

The principal cycle of the graph of a trigonometric function of the form y = A tan (Bx - C) + D or  for B > 0 is given. Determine the equation of the function represented by each graph.y = A cot (Bx - C) + D

A. y = 4 cot + 1
B. y = 4 cot(x + 1) - 
C. y = cot + 1
D. y = 4 cot + 1

Mathematics

Perform the indicated operation.

A. 2 B. 20 C. 10 D. -10

Mathematics