Write the statement as an inequality.y is positive
A. y < 0
B. y ? 0
C. y ? 0
D. y > 0
Answer: D
Mathematics
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Factor.x2 + 2xy - 35y2
A. (x - y)(x + 5y) B. (x - 7y)(x + 5y) C. (x + 7y)(x - 5y) D. (x - 7y)(x + y)
Mathematics
Expand, where i2 = -1.(3 + i)3
A. 28 + 36i B. 26 + 18i C. 36 + 28i D. 18 + 26i
Mathematics
Determine whether the statement is true or false.You wish to solve the following linear programming problem:Minimize2x1+ x2subject tox1?- x2? 4x1?+ 2x2? 10and x1 ? 0, x2 ? 0This can be solved by the simplex method by solving the equivalent problem:Maximize-2x1- x2subject tox1?- x2? 4-x1?- 2x2? -10and x1 ? 0, x2 ? 0
A. True B. False
Mathematics
Find the trigonometric function value for the angle shown.cot ?
A. cot ? = - 
B. cot ? = 
C. cot ? = 
D. cot ? = 
Mathematics