Choose the correct number to finish the sentence. For the function f(x)=√x+3, the average rate of change to the nearest hundredth over the interval 2 ≤ x ≤ 8 is

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%

Me n o w. i need t h i s. 10 points

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.