If 30% of the pupils in a school are boys, what percentage of the pupils are girls?

Find the simple interest earned to the nearest cent for each principal,interest rate,and time 735 7% and two and a half years

Is the square root of 4 plus the square root of 16 rational?

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