Determine if the sequence is arithmetic. If the sequence is arithmetic, find the common difference.7, 11, 15, 19, . . .
A. yes, 12
B. yes, 4
C. no
D. yes, -4
Answer: B
Mathematics
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Simplify the expression.(4.1 + 8.1)(4.3 - 2.3)
A. 24.4 B. 80.52 C. 50.16 D. 36.63
Mathematics
Use the discriminant to determine the number of real solutions of the equation.t2 + 12t + 36 = 0
A. 1 B. No real solutions C. 2
Mathematics
Provide an appropriate response.Multiply two fractions by 
the numerators and 
the denominators.
A. multiplying; canceling B. adding; multiplying C. multiplying; multiplying D. multiplying; adding
Mathematics
Graph the function.y = -3x2
A. 
B. 
C. 
D. 
Mathematics