Brian is measuring one of his family’s round dinner plates so that he can buy more plates of the same size. he found that it is 14 centimeters from the edge of the plate to the center of the plate. which is closest to the circumference, in centimeters, of the plate?

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Which one is the correct answer, and why?

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