The following expressions represent denominators of rational expressions. Find their LCD.x2 - 8x + 15 and -2x + 10
A. -2(x + 3)(x - 5)
B. -2(x - 3)(x + 5)
C. -2(x + 3)(x + 5)
D. -2(x - 3)(x - 5)
Answer: D
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A. True B. False
Evaluate or simplify the given expression.sin (tan-1 x)
A. 
B. 
C. 
D. 
The following problem involves adjustable-rate mortgage. You the given table if necessary.
Suppose your mortgage is $75,000 for 20 years. The index rate is 3.5% and the margin is 2.4%. After two years, the Treasury index increases to 4.6%. Using the adjusted balance of 
826.73, find the new monthly payment.
A. $489.67 B. $514.79 C. $577.59 D. None of the above is correct.
Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
A. 10; 225°
B. 20; 45°
C. 10
; 45°
D. 10
; 225°