Of the lifeguards working at a swimming pool, 1 5 of them are new this summer and 3 8 of them are working there for the second summer in a row. What fraction of the lifeguards are either new or working there for the second summer in a row

One integer is 5 more than another. their product is 104. find the integers

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

Find the arc length of the semicircle. 7the grade