Evaluate the integral.
A. 
B. 
C. 12
D. 36
Answer: D
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Solve the problem.Mr. Larsen's third grade class has 22 students, 12 girls and 10 boys. Two students must be selected at random to be in the fall play. What is the probability that no boys will be chosen? Order is not important.
A. 
B. 
C. 
D. 
Find the probability.What is the probability that 15 tosses of a fair coin will show 8 heads?
A. 0.3928 B. 0.1964 C. 0.0982 D. 0.0393
Write the interval in set-builder notation and graph the set on a number line.
A. 
B. 
C. 
D. 
Solve the problem.Assume that a person's salary is $29,500 for the first year and that this person will receive a 4 percent raise at the end of each year. Let cn represent the person's salary (in thousands of dollars) for the nth year.i) Find a formula for cn.ii) When will the salary first be above $50,000?iii) What will be the person's salary for the 30th year?iv) What will be the total amount of money earned for 30 years?
What will be an ideal response?