Perform the indicated operation and write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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The following circle graph displays Chris and Mary Smith's monthly $2900 family budget. Use the circle graph to answer the question. 
What is the ratio of money spent on food to money spent on utilities?
A. 
B. 
C. 
D. 
Mathematics
How many factors are in the expression? (a + b) (c + d)
A) 2 B) 4 C) 3 D) 1 E) 6
Mathematics
Solve using a calculator, finding all solutions in [0, 2?). Round to the nearest hundredth.sin 4x - sin 2x = - 2cos x
A. 0.86, 2.28 B. 1.57, 4.01, 4.71, 5.42 C. 0.86, 1.57, 2.28, 4.71 D. 1.57, 3.67, 4.71, 5.76
Mathematics
Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(6, 18)}
B. no solution; ?
C. 
D. {(5, 3)}
Mathematics