A school cafeteria manage is making student sack lunches using fruit and sandwich choices that all students prefer. He will make each lunch by randomly selecting one fruit from a basket containing 6 apples, 6 oranges, and 12 peaches. He will also select one sandwich from another large basket containing 6 turkey sandwiches, 9 ham sandwiches, and 9 chicken salad sandwiches. Latoya received the first sack lunch. Which probability could be determined using the expression below?

That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y