For the pair of functions, perform the indicated operation.f(x) = 4 - 3x, g(x) = -7x + 3Find f + g.
A. -3x
B. -7x + 4
C. 4x + 7
D. -10x + 7
Answer: D
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Solve the problem. Round to the nearest hundredth.170% of 390 is what number?
A. 66.30 B. 663.00 C. 6630.00 D. 66,300.00
Complete.195 cm2 = _______ m2
A. 1.95 B. 19.5 C. 0.195 D. 0.0195
Use the quadratic formula to solve the equation. Simplify any radicals.4x2 - 3x + 7 = 10x + 5
A. 
B. 
C. 
D. 
The mean batting average in major league baseball is about 0.250. Supposing that batting averages are normally distributed, that the standard deviation in the averages is 0.05, and that there are 250 batters, what is the expected number of batters with an average of at least 0.400? Round your answer to two decimal places. ? The answer is __________ batters.
Fill in the blank(s) with the appropriate word(s).