Convert the radical expression to its rational exponent form and then simplify. Assume that all variables represent positive numbers.
A. x5/6y5/6
B. x5/6y6/5
C. x6/5y6/5
D. x6/5y5/6
Answer: D
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Translate the sentence into an equation, then solve.A number x increased by 
is equal to 7.
A. x + 
= 7, x = 7
B. x + 7 = 
, x = - 6
C. x + 
= 7, x = 6
D. 
+ x = 7, x = 2
Solve the absolute value equation or indicate that the equation has no solution.
+ 4 = 11
A. {- 
, 
}
B. 
C. 
D. ?
Solve the problem.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is 
where s is in feet. How long (to the nearest tenth) will it take the ball to fall 62 feet?
A. 1.4 sec B. 1.2 sec C. 1.0 sec D. 2.0 sec
Use the given table to find the indicated probability.People in a survey were given three choices of soft drinks and asked to choose one favorite. The following table shows the results.
One of the participants is selected at random. Find the probability that the person is over 40 and prefers cola.
A. 
B. 
C. 
D. none of the above