The line segment joining the points (0 comma 8 )and (11 comma 11 )is revolved about the x-axis to generate a frustum of a cone. find the surface area of the frustum using the parameterization x equals startfraction 11 over 3 endfraction t , y equals t plus 8, 0 less than or equals t less than or equals 3. the surface area is nothing square units.

What signals you that factoring by grouping is the best method to use when factoring a problem?

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots.