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Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

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

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent