Perform the indicated operations and express your answer in the form a + bi. 
A. ±3
B. 3i
C. -i
D. -3i
Answer: B
Mathematics
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Find the product and simplify.
? y10
A. 
B. 
C. 
D. 
Mathematics
Graph the solution set of the inequality and express it in interval notation.|x| < 8
A. (-?, -8) ? (8, ?) 
B. (-8, 8)
C. (0, 8)
D. empty set 
Mathematics
Write a positive or negative integer that describes the situation.The team gained 64 yards in rushing during the first quarter.
A. -64 B. 64
Mathematics
Solve the problem.A survey of senior citizens at a doctor's office shows that 52% of the seniors take blood pressure lowering medication and 44% take cholesterol lowering medication. 11% take both medications. What is the probability that a senior citizen takes only one of these medications given that he or she takes at least one of the medications?
A. 0.44 B. 0.52 C. 0.870 D. -0.060
Mathematics