Find the amplitude of the function.y = 2 cos 6x
A. 4
B. 2
C. 
D. 6
Answer: B
Mathematics
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Write the decimal point in the correct location. 31.73 × 2.7 = 85671
A. 85.671 B. 85,671. C. 8.5671 D. 856.71
Mathematics
Factor the expression completely. If the polynomial is prime, state this as your answer.1000x3 + 343y3
A. (10x + 7y)(100x2 + 70xy + 49y2) B. (1000x - 7y)(x2 + 70xy + 49y2) C. (10x - 7y)(100x2 + 70xy + 49y2) D. (10x + 7y)(100x2 - 70xy + 49y2)
Mathematics
Evaluate.(0.1)8
A. 0.00000001 B. 0.0000001 C. 0 D. 0.8
Mathematics
Solve the system of equations using substitution.
A. x = 0, y = 
; x = 0, y = - 
; x = 4, y = 
or 
, 
, 
B. x = 0, y = 
; x = 4, y = 
or 
, 
C. x = 5, y = 0; x = -5, y = 0; x = 3, y = 4
or (5, 0), (-5, 0), (3, 4)
D. x = -5, y = 0; x = 3, y = 4
or (-5, 0), (3, 4)
Mathematics