Sean and evan are selling rolls of wrapping paper to raise money for new football uniforms. evan
has sold seven more than one-half the number of rolls that sean has. if they have sold a total of
121 rolls, how many has evan sold?

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation:

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.