Add and simplify.
+ 
A. 
B. 
C. - 
D. 
Answer: A
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Solve the problem using two linear equations in two variables and Cramer's rule.The perimeter of a rectangle is 24 units. If the width is doubled and the length is tripled, the perimeter is 60 units. Determine the original width and length.
A. width = 10 units, length = 20 units B. width = 8 units, length = 12 units C. width = 6 units, length = 6 units D. width = 12 units, length = 12 units
Factor the polynomial by grouping.20x2 + 8x - 15x - 6
A. (4x + 3)(5x - 2) B. (20x + 3)(x - 2) C. (20x - 3)(x + 2) D. (4x - 3)(5x + 2)
Write the inequality in interval notation.{x |-2 < x ? 0}
A. (-2, 0] B. [-2, 0] C. [-2, 0) D. (-?, 0]
Provide an appropriate response.List the things you need to do to prepare properly for class.
What will be an ideal response?