For the following set of vectors find a basis for their span and find the dimension of their span. (a) (1,2,3), (4,5,6), (2,3,1) (b) (1,2,3), (4,5,6), (7,8,9) (c) (1,0,,1,2)

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

How is working backward similar to solving an equation?

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%