Multiply.(8z + 9)2
A. 64z2 + 144z + 81
B. 8z2 + 144z + 81
C. 64z2 + 81
D. 8z2 + 81
Answer: A
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Solve the problem.A surveyor recording data for a new subdivision measured an angle as 11.77°. The next day, a different surveyor measured the same angle as 11°31'. Find the difference between these measurements (i) to the nearest minute and (ii) to the nearest hundredth of a degree.
A.
| (i) 38' | (ii) 0.43° |
B.
| (i) 77' | (ii) 1.29° |
C.
| (i) 46' | (ii) 0.46° |
D.
| (i) 15' | (ii) 0.25° |
Use the table to solve the problem.The cost, in dollars, of a cab ride for x miles is given by the function f in the following table.
After 1 mile has been driven, what is the cost of each additional mile?
A. $0.52 B. $0.60 C. $0.63 D. $0.48
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Two marbles are drawn from a bag in which there are 4 red marble and 2 blue marble. The number of blue marbles is counted.
A. 
B. 
C. 
D. 