Dona paints ornaments for a school
play. Each ornament is as shown and is made up
of two identical cones. She uses one bottle of
paint to paint 180 in.2. How many bottles of paint
does she need in order to paint 70 ornaments?
Use 3.14 for T.

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

How can you tell when x and y are not directly proportional?