Add.8.4 + (-10.7)

A. 19.1
B. -19.1
C. -2.3
D. 2.3


Answer: C

Mathematics

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Solve by the substitution method. If the system is inconsistent or dependent, say so.x - 2y = -174x - 3y = -33

A. (-3, 7) B. (3, 8) C. (-4, 8) D. No solution

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Without graphing the function, determine its amplitude or period as requested.y =  cos (- x)Find the amplitude.

A.
B.
C.
D.

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A geometric sequence is given. Find the common ratio and write out the first four terms.{tn} = 

A. r = ; t1 = , t2 = , t3 = , t4 = 
B. r = ; t1 = , t2 = , t3 = , t4 =  
C. r = n; t1 = , t2 = , t3 = , t4 = 
D. r = n; t1 = , t2 = , t3 = , t4 = 

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Solve.12 - (3y - 2) = 2(y - 1) + 3y

A.
B. 8
C.
D. 2

Mathematics