According to a government study among adults in the 25- to 34-year age group, the mean amount spent per year on reading and entertainment is $2,060. assume that the distribution of the amounts spent follows the normal distribution with a standard deviation of $495. (round your z-score computation to 2 decimal places and final answers to 2 decimal places.)

what percent of the adults spend more than $2,575 per year on reading and entertainment?

what percent spend between $2,575 and $3,300 per year on reading and entertainment?

what percent spend less than $1,225 per year on reading and entertainment?

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

Find the distance between the point (-3,-4), and (see the picture below)

What is the slope of the line passing through the points (-5, 7) and (-3,5)?