Aschool has 360 students, 4/9 of whom are boys. how many boys is that? how many girls?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Determine domain and range, largest open interval, and intervals which function is continuous.