Simplify the algebraic expression by collecting and combining like terms.5x - 2y + 4x + 4y
A. 5x + 4x - 2y + 4y
B. 11xy
C. 9x + 2y
D. 2x + 9y
Answer: C
Mathematics
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Find the equation of the line described, and express your answer in the specified form.Parallel to the line y = 9; passes through the point (7, 5); standard form
A. y = 9 B. y = 5 C. y = -5 D. y = 7
Mathematics
Solve the initial-value problem y?? ? 2y? + 5y = 0, y (0) = 1, y?(0) = ?1
What will be an ideal response?
Mathematics
Find the first term and the common difference for the arithmetic sequence.S3 = 3, a3 = 4
A. a1 = -2, d = 3 B. a1 = -10, d = 2.67 C. a1 = -2, d = 2.67 D. a1 = -10, d = 3
Mathematics
Solve the equation.
+ 4 = 5
A. {81} B. ? C. {1} D. {-1}
Mathematics