Solve the problem.A land developer wants to develop 8 acres of land. Each lot in the development is to be  of an acre. How many lots will the land developer have in the 8 acres?

A.  lot
B. 1 lots
C. 2 lot(s)
D. 28 lots


Answer: D

Mathematics

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Solve the problem.A cylindrical water tank has height 10 m and radius 2 m (see figure). If the tank is full of water, how much work is required to pump the water to the level of the top of the tank and out of the tank? Express the answer in terms of ?. 

A. 19,600,000? J B. 627,200? J C. 1,960,000? J D. 490,000 J

Mathematics

Which statement best exemplifies the equiprobability bias?

a. "The Yankees have won 50 games and lost 22 so far this year, and the Brewers have won 31 and lost 41. There is a 50-50 chance that the Brewers will beat the Yankees today, because only one of two things can happen: either they win or they lose." b. "Seeing one of my friends win the lottery made me decide that I should play the lottery more often." c. "The weather forecast was wrong because it said there was a 60% chance of rain today, and it did not rain." d. "The probability of having a fever if I have an ear infection is the same as the probability that I have an ear infection if I have a fever."

Mathematics

Write the vector in terms of the unit vectors i and j.v = 

A. -7 + 5j B. -7i + 5j C. (-7 + i) + 5j D. -7i + 5

Mathematics

For the given functions f and g, find the requested composite function.f(x) = 4x2 + 5x + 4, g(x) = 5x - 5;Find the function g ? f.

A. 4x2 + 25x + 15 B. 4x2 + 5x - 1 C. 20x2 + 25x + 15 D. 20x2+ 25x + 25

Mathematics