19. which of the following is not a step in the problem-solving procedure? a. read the problem carefully. b. check your work. c. decide which operations to use. d. use trial and error to find an answer.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Here are the 30 best lifetime baseball batting averages of all time, arranged in order from lowest to highest: 0.319, 0.329, 0.330, 0.331, 0.331, 0.333, 0.333, 0.333, 0.334, 0.334, 0.334, 0.336, 0.337, 0.338, 0.338, 0.338, 0.340, 0.340, 0.341, 0.341, 0.342, 0.342, 0.342, 0.344, 0.344, 0.345, 0.346, 0.349, 0.358, 0.366 if you were to build a histogram of these data, which of the following would be the best choice of classes?