Use prime factorization to find the GCF of the pair of numbers. If the GCF is 1, write "relatively prime."42 and 126
A. 6
B. 14
C. 42
D. 21
Answer: C
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Without graphing the function, determine its amplitude or period as requested.y = -2 sin 5xFind the amplitude.
A. 2
B. 
C. 
D. 
Solve the problem.A bike road race starts at an elevation of 990 ft and passes through 
where the elevation changes by -325 ft, 239 ft, 40 ft, -15 ft, and -340 ft. At what elevation does the race end?
A. 721 ft B. 589 ft C. 1949 ft D. -1949 ft
Solve the problem.Insert parentheses, if needed, so that the expression on the left is equal to the number on the right.6 + 2 ? 82 = 512
A. 6 + (2 ? 8)2 B. 6 + (2 ? 82) C. (6 + 2) ? 82 D. No parentheses needed
To begin an argument using indirect reasoning,we assume that the hypothesis of the statement
to be proved is true and that the negation of the conclusion of the statement is true. Indicate whether the statement is true or false