Solve for the variable.4(2x - 1) = 16
A. 
B. 
C. 
D. 
Answer: A
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Describe the situation with a linear inequality and then solve the inequality.Lauren earns $4 an hour selling encyclopedias door-to-door. She also earns $26 in commission per set of encyclopedias sold. To pay her rent this week, she must earn at least $122, and she only has time to work 11 hours. How many sets of encyclopedias must Lauren sell this week in order to make her rent?
A. She would have to sell at least 2 sets of encyclopedias. B. She would have to sell at least 5 sets of encyclopedias. C. She would have to sell at least 3 sets of encyclopedias. D. She would have to sell at least 4 sets of encyclopedias.
Find the LCD for the fractions in the list.
, 
, 
A. (k - 4)(k + 6)(k - 9)(k + 3) B. (k - 4)(k + 6)3(k - 9)(k + 3) C. (k - 4)(k - 9)(k + 3) D. (k - 4)(k + 6)(k - 9)
Solve the equation.x3 + 7x2 - x - 7 = 0
A. {-1, 1, - 7 } B. {- 7, 7 } C. { 49 } D. { 1, - 7, 7 }
Use the unit circle to determine the value of the given expression or state that it is undefined.tan 
A. 
B. 
C. 
D. - 