A sphere has a radius of 3. 5 inches. What is the volume of the sphere rounded to the nearest tenth? use 3. 14 for pi. 28. 3 in³ 88. 7 in³ 179. 5 in³ 211. 3 in³.

Jerrold has to buy 12 copies of a textbook which costs $36.25 per copy. how much must he spend for them?

Nick wants to find out what the melting point of wax is. he has a block of wax, a graduated cylinder, a pan, a thermometer, and scales. which is the best procedure to follow for the experiment?

On a test the graders have a mean of 77 and a standard deviation of 8. if we can approximate the distribution of these graders by a number distribution what percent of the students. a) scores higher than 77? b) should pass the test (grades > 60)? c) should fail the test (grades < 60)?