Solve the problem.Find the length of 
. Round to the nearest tenth. A(-4, 3), B(1, 10)
A. 9.6
B. 13.3
C. 11.4
D. 8.6
Answer: D
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Solve the number problem by finding the value of the unknown number.If the product of some number and 5 is increased by 7, the result is 67.
A. 12 B. 13 C. 18 D. 15
Find the focus and the directrix of the parabola.y = - 
x2 + 
x - 
A. (2, -3); y = 1
B. (2, -9); y = -7
C. 
; y = - 
D. (2, 1); y = -3
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.A ball player batting .300 comes to bat 3 times in a game. The number of hits is counted.
A. 
B. 
C. 
D. 
Solve.Kozy Communications, Inc., is planning a new cellular telephone. For the first year, the fixed cost of setting up the production line is $46,100. The variable cost for producing each telephone is $70. The revenue from each telephone is $235. Find the profit or loss from the production and sale of 13,400 telephones.
A. $2,164,900 profit B. $4,040,900 profit C. $2,257,100 profit D. -$614,591,070 loss