In a class of 42 students, 18 students are in the Math Club, 5 students are in both the Math Club and the Science Club, and 14 are in neither. How many
students are in the Science Club?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so

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