Find the exact value of the expression.
A. - 
B. - 
C. -2
D. -
Answer: A
Mathematics
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Solve the triangle, if possible. Approximate values to the nearest tenth when appropriate.a = 3.0, ? = 46.0°, ? = 90°
A. b = 5.1, ? = 44.0°, c = 4.2 B. b = 5.1, ? = 44.0°, c = 5.9 C. b = 2.9, ? = 44.0°, c = 4.2 D. b = 1.8, ? = 44.0°, c = 3.5
Mathematics
Evaluate the expression for the given value of the variable.(-7x)3 for x = 5
A. 105 B. 42,875 C. -42,875 D. -875
Mathematics
Perform the operations and simplify.
?
?
Assume that denominators are not 0.
?
A. ?
B. ?
C. ?
D. ?
Mathematics
Find the nth term an of the geometric sequence.2, -6, 18, -54, 162, . . .
A. an = (2)(-3n) B. an = a1 - 3n C. an = (2)(-3)n-1 D. an = (2)(-3)n
Mathematics