Determine whether the three points are collinear.(-2, 6), (6, 4), (-10, 8)
A. Yes
B. No
Answer: A
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Solve.In baseball, a player's batting average is the total number of hits divided by the total number of times at bat. A baseball player has 10 hits after 38 times at bat. How many additional consecutive times must the batter hit the ball to achieve a batting average of .440?
A. 12 B. 17 C. 22 D. 14
Find the least common denominator for the given set of denominators.84, 378
A. 2,268 B. 756 C. 1,512 D. 42
Solve the problem.Economists use what is called a Leffer curve to predict the government revenue for tax rates from 0% to 100%. Economists agree that the end points of the curve generate 0 revenue, but disagree on the tax rate that produces the maximum revenue. Suppose an economist produces this rational function 
where R is revenue in millions at a tax rate of x percent. Use a graphing calculator to graph the function. What tax rate produces the maximum revenue? What is the maximum revenue?
A. 37.5%; $210 million B. 39.6%; $209 million C. 34.9%; $207 million D. 35.8%; $209 million
Evaluate the exponential expression.
3
A. 
B. 
C. 20
D. 1