The weight of oranges growing in an orchard is normally distributed with a mean

weight of 5 oz. and a standard deviation of 1.5 oz. Using the empirical rule, determine

what interval would represent weights of the middle 68% of all oranges from this

orchard.

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b