Andrew rode his bike at a constant speed. He rode 1mile in 5 minutes. Which of these equations represents the amount of time1(in minute) that it takes him to ride a distance of d miles?
A. t=5d B. t=1/5 C. t=d+4 D. t=d-4

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?

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?

Triangles abd and ace are similar right triangles. witch ratio best explains why the slope of ab is the same as the slope of ac?