Use the multiplication property of inequality to solve the inequality and graph the solution set on a number line.
? -7
A. (-?, -21)
B. [-21, ?)
C. (-21, ?)
D. (-?, -21]
Answer: D
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 
, ? < ? < 
Find cos(2?).
A. 
B. - 
C. 
D. - 
Solve the equation on the interval [0, 2?).2 cos2 x + sin x - 2 = 0
A. 
, 
, 
, 
B. 
, 
C. 0, ?, 
, 
D. 
, 
Fill in missing table value.The following table provides data showing how yearly premiums for car insurance increase with an accident on record.
A. 
B. 
C. 
D. 
Solve the problem.The function H described by H(x) = 2.75x + 71.48 can be used to estimate the height, in centimeters, of a woman whose humerus (the bone from the elbow to the shoulder) is x cm long. Estimate the height of a woman whose humerus is 
long.
A. 42.83 cm B. 157.83 cm C. 14.87 cm D. 105.63 cm