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
Mathematics
Without graphing the function, determine its amplitude or period as requested.y = 
cos (- 
x)Find the amplitude.
A. 
B. 
C. 
D. 
Mathematics
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 = 
Mathematics
Solve.12 - (3y - 2) = 2(y - 1) + 3y
A. 
B. 8
C. 
D. 2
Mathematics