Solve the problem.In a survey about the number of siblings of college students, the following probability table was constructed: 
What is the probability that a student has at least 2 siblings?
A. 0.77
B. 0.23
C. 0.4
D. 0.6
Answer: C
Mathematics
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Use the factor theorem and tell whether the first expression is a factor of P(x).x + 1; P(x) = x3 + 3x2 - 3x - 5.(Hint: Write x + 1 as x - (-1).)
A. yes B. no
Mathematics
Evaluate the integral.
dt
A. 8 cos 
+ C
B. -cos 
+ C
C. - 
cos 
+ C
D. 
cos 
+ C
Mathematics
Identify the group of terms as like or unlike.14a3, 14a2
A. Like B. Unlike
Mathematics
Solve the problem.If P dollars is invested in an account at an annual interest rate of r, with interest compounded annually, after 2 years the amount A in the account is given by A = P(1 + r)2. Use this formula to determine the interest rate if $2000 grows to $2464 in 2 years, with interest compounded annually.
A. 11% B. 1.11% C. 1.23% D. 0.11%
Mathematics