Suppose you wanted to determine the average income of professional soccer players in the US. You believe the team they play on may affect how much they are paid. Describe how you would take a stratified random sample of 50 MLS professional soccer players

In angle pqr find the measure of

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.

What percent of 18 is 24? and plz explain thx.