What is the value of the 4th iterate of f(x) = 3x-1/x^2 if x0 = -2? Round to three decimal places. A. x4 = -1.75
B. x4 = -2.096
C. x4 = -2.041
D. x4 = -1.659

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In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%