Find the probability.A multiple choice test has 30 questions. Each question has five possible answers, of which one is correct. If a student guesses on every question, find the probability of getting exactly 12 correct.
A. 0.0806
B. 0.4000
C. 0.0052
D. 0.0064
Answer: D
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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = cos 
t, s(0) = 1
A. s = 2? sin 
t
B. s = sin t
C. s = 
sin 
t
D. s = 
sin 
t + ?
Provide an appropriate response.If A = 
and B = 
, find 2A - 3B.
What will be an ideal response?
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.3logy3 + logy2
A. logy2 B. logy54 C. 3logy6 D. logy18
Translate the phrase into a mathematical expression and then find the result.355 gallons less than 1027 gallons
A. 1027 - 355; 662 gallons B. 1027 + 355; 1382 gallons C. 1027 - 355; 672 gallons D. 355 + 1027; 1282 gallons