Simplify.4 ? 4 - 9
A. 144
B. 20
C. 25
D. 7
Answer: D
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Expand and simplify the given expression by use of Pascal's triangle.
3
A. 
x6 + 
x3 + 64
B. 
x3 + 
x2 + 16x + 64
C. 
x3 + 
x2 + 64
D. 
x3 + 
x2 + 16x + 64
Solve the problem. Round to the nearest cent.The unpaid balance in an account on November 1 was $155. A payment of 
was made on November 8. The finance charge rate was 
per month of the average daily balance. Find the finance charge for the month of November.
A. $2.86 B. $1.28 C. $1.16 D. $1.30
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000 B. $300,000 C. $270,000 D. $239,400
Solve the problem.Suppose that the unit price, p, for x units of a product can be illustrated by the given graph. Find each limit, if it exists:
p(x), 
p(x), 
p(x), 
p(x)
A. 8; 8; 8; 8 B. 8; 8; does not exist; 8 C. 10; 8; does not exist; 8 D. 10; 8; 8; 8