Does the problem involve permutations or combinations? Do not solve.In a student government election, 5 seniors, 3 juniors, and 
sophomores are running for election. Students elect four at-large senators. In how many ways can this be done?
A. permutations
B. combinations
Answer: B
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Simplify. Assume x can represent any real number.
A. 196 
B. 196y2
C. 14y
D. 14 
Solve the problem using the table.Monthly Principal and Interest Payment per $1000 of Mortgage
Sheila Little's gross monthly income is $4500. She has 16 remaining payments of $162 on a used car. The taxes and insurance on the house are $100 per month. What maximum monthly payment does the bank's loan officer feel that Sheila can afford?
A. $1084.50 B. $1260.00 C. $1214.64 D. $3123.36
Use simple probability to complete the exercises.A die is rolled. The set of equally likely outcomes is {1, 2, 3, 4, 5, 6}. Find the probability of getting a 7.
A. 
B. 0
C. 1
D. 7
For the given rectangular equation, write an equivalent polar equation.y = x
A. sin ? = - cos ? B. r = sin ? C. r = cos ? D. sin ? = cos ?