Rosa bikes for 12 miles at an average speed of 8 miles per hour. She stops for 30 minutes to eat lunch. Then she bikes 10 more miles at an average
speed of 10 miles per hour. Which graph shows Rosa's bike ride?

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

See attachment below and find the equivalent of tan(∠qsr)

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b. false