Factor completely.10x2 + 9x - 9
A. (2x + 3)(5x - 3)
B. (10x + 3)(x - 3)
C. cannot be factored
D. (2x - 3)(5x + 3)
Answer: A
Mathematics
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Find an equation of the line containing the given pair of points. Write your final answer as a linear function in slope-intercept form.(1, 5) and (10, 5)
A. f(x) = - 
x
B. f(x) = - 10x
C. f(x) = 1
D. f(x) = 5
Mathematics
Use a negative-angle identity to write an equivalent trigonometric expression involving a positive angle.csc 
A. -csc 
B. csc 
C. sec 
D. 1 - csc 
Mathematics
Subtract.684 - 168
A. 500 B. 616 C. 526 D. 516
Mathematics
Find the degree measure of the acute angle ? in a right triangle.opp = 62, adj = 26
A. 22.8° B. 17.6° C. 67.2° D. 72.4°
Mathematics