Use the properties of logarithms to simplify the expression.ln (3 sec ?) + ln (9 cos ?)
A. ln (27 cot ?)
B. ln 
C. ln (27)
D. ln (3 sec ? + 9 cos ?)
Answer: C
Mathematics
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Simplify the expression.2.1(3.2 - 4.7)
A. -2.02 B. -3.15 C. 2.02 D. 3.15
Mathematics
Solve the problem.Jin, whose regular rate of pay is $9.38, with time and a half for overtime, worked 42.5 hours last week. Find his gross pay for the week.
A. $597.98 B. $398.65 C. $408.38 D. $410.38
Mathematics
Tell whether the angle is acute, right, obtuse, or straight.
A. Right B. Obtuse C. Acute D. Straight
Mathematics
The sequence is defined recursively. Write the first four terms.a1 = 5; an = an-1 - 4
A. a1 = 5, a2 = 1, a3 = -3, a4 = -7 B. a1 = -4, a2 = -8, a3 = -12, a4 = -16 C. a1 = 5, a2 = 3 , a3 = -1 , a4 = -5 D. a1 = 5, a2 = 9 , a3 = 13 , a4 = 17
Mathematics