Asphereing ball contains a sphere within a sphere. the diameter of the inner sphere is 2.2 meters. the outer sphere of the sphereing ball has a diameter of 2.9 meters. find the volume within the outer sphere but outside the inner sphere. (round your answer to two decimal places.)

According to the normal model, what percent of receivers would you expect to gain fewer yards than 2 standard deviations below the mean number of yards

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.