Write an equation to represent the situation. Then, solve the equation.At South Highschool, 147 seniors made the honor roll. This represents one-fourth of the senior class. How many students are in the senior class?
A. 
x = 147; 588
B. 
x = 147; 37
C. 4x = 147; 588
D. 4x = 147; 37
Answer: A
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Evaluate the sum.
A. 20 B. 30 C. 50 D. 55
Use a graphing utility to approximate to two decimal places any solutions on [0, 2?) graphically or numerically.2sin x = 1 + cos x
A. x = 0, 4.07 B. x = 0, 2.21 C. x = 0.93, 3.14 D. no solution
The algebraic expression has been translated to a word phrase that is ambiguous (unclear). Indicate why the translation is unclear and give a translation that is not ambiguous. 9x + 4 Translation: nine times x plus four
A. Mistake: could be translated as 9(x + 4) Correct: nine times the sum of x and four B. Mistake: could be translated as 9(x + 4) Correct: nine times x increased by four C. Mistake: could be translated as 9(x + 4) Correct: four more than nine times x D. Mistake: could be translated as 9 + 4x Correct: nine times the sum of x and four
Use the formula for the general term (the nth term) of an arithmetic sequence to find the indicated term of the sequence with the given first term, a1, and common difference, d.Find a24when a1 = 6, d = -2.
A. -40 B. 54 C. 52 D. -42