Find cos(A - B).cos A = - 
and sin B = 
, with A and B in quadrant II.
A. - 
B. 
C. 
D. - 
Answer: B
Mathematics
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Solve the equation. 
= 7
A. 10, 4 B. -10, 4 C. No solution D. -4
Mathematics
Provide an appropriate response.An investment is compounded daily (use 365 times per year). Use a graphing calculator to graph the effective rate, re , as a function of the nominal rate r. Then use the graph to find the nominal rate that is equivalent to an effective rate of 5.4%.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the difference and simplify the answer. 
- 
A. 
B. 1
C. 
D. 28
Mathematics
Determine whether the pair of lines is parallel, perpendicular, or neither. 9x + 3y = 1218x + 6y = 27
A. parallel B. perpendicular C. neither
Mathematics