Joe's coffee shop makes a blend that is a mixture of two types of coffee. type a coffee costs joe $ 4.15 per pound, and type b coffee costs $ 5.20 per pound. this month, joe made 142 pounds of the blend, for a total cost of $ 685.90 . how many pounds of type a coffee did he use? number of pounds of type a coffee:

The table shows population statistics for the ages of best actor and best supporting actor winners at an awards ceremony. the distributions of the ages are approximately bell-shaped. compare the z-scores for the actors in the following situation. best actor best supporting actor muequals42.0 muequals49.0 sigmaequals7.3 sigmaequals15 in a particular year, the best actor was 59 years old and the best supporting actor was 45 years old. determine the z-scores for each. best actor: z equals best supporting actor: z equals (round to two decimal places as needed.) interpret the z-scores. the best actor was (more than 2 standard deviations above more than 1 standard deviation above less than 1 standard deviation above less than 2 standard deviations below) the mean, which (is not, is) unusual. the best supporting actor was (less than 1 standard deviation below more than 1 standard deviation above more than 2 standard deviations below more than 1 standard deviation below) the mean, which (is is not) unusual.

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (–39)