Which ratio best defines theoretical probability? number of possible outcomes: number of favorable outcomes number of favorable outcomes: number of possible outcomes number of nonfavorable outcomes: number of possible outcomes number of possible outcomes: number of nonfavorable outcomes

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z