A scuba diver dove from the surface of the ocean to an elevation of −49 9/10 feet at a rate of −11.1 feet per minute. After spending 14.75 minutes at that elevation, the diver ascended to an elevation of −18 9/10 feet. The total time for the dive so far was 21 1/8minutes. What was the rate of change in the diver's elevation during the ascent? Round your answer to the nearest hundredth.

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent