Write the equation in its equivalent logarithmic form.53 = x
A. log5 3 = x
B. logx 5 = 3
C. log3 x = 5
D. log5 x = 3
Answer: D
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Solve by completing the square to obtain exact solutions.10x2 + 27x + 18 = 0
A. 
, 
B. - 
, - 
C. - 
, - 
D. 
, 
Round off the approximate number as indicated.2090 2 significant digits
A. 2100 B. 2200 C. 290 D. 2000
Use the figure below. Determine whether the given statement is true or false. 
H + I + J = B
A. True B. False
Solve the problem.A summer camp wants to hire counselors and aides to fill its staffing needs at minimum cost. The average monthly salary of a counselor is $2400 and the average monthly salary of an aide is $1100. The camp can accommodate up to 45 staff members and needs at least 30 to run properly. They must have at least 10 aides, and may have up to 3 aides for every 2 counselors. How many counselors and how many aides should the camp hire to minimize cost?
A. 12 counselors and 18 aides B. 27 counselors and 18 aides C. 18 counselors and 12 aides D. 35 counselors and 10 aides