Use a calculator to find the value of the expression rounded to two decimal places.tan-1 (-1.9)
A. -27.76
B. -1.09
C. -0.48
D. -62.24
Answer: B
Mathematics
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Write the number as an exponential expression, using the base shown. Check your result with a calculator.
(base 2)
A. 23 B. -23 C. 32 D. 2-3
Mathematics
Refer to this figure to answer the question.
Are 
and 
the same line?
A. Yes B. No
Mathematics
Solve. Graph the solution on a number line, and express it in interval notation.6x + 10 ? 2(2x - 3)
A. x > -8, (-8, ?)
B. x ? -8, [-8, ?)
C. x < -8, (-?, -8)
D. x ? -8, (-?, -8]
Mathematics
Solve.In how many ways can 7 people line up for play tickets?
A. 1 B. 5040 C. 7 D. 823,543
Mathematics