Find the perimeter of (distance around) the given figure by adding the lengths of the sides.
A. 15.4 m
B. 10 m
C. 20 m
D. 14.6 m
Answer: C
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Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856
Write the expression in spreadsheet notation. Let x be in cell A1.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Simplify the algebraic expression by collecting and combining like terms.5.3x - 1.7 - 3.4x + 5 + 2.5x
A. 4.4x + 6.7 B. 4.4x + 3.3 C. 11.2x + 3.3 D. 4.4x - 3.3
Use the power rules for exponents to simplify. Write the answer in exponential form.(-3x3y2)3
A. -3x9y6 B. -27x6y5 C. -27x9y6 D. -3x6y5