Find the last year salary if, after a 4% pay raise , this year salary is $ 36,920

Anumber cube is rolled and a coin is tossed. the number cube and the coin are fair. what is the probability that the number rolled is less than 4 and the coin toss is tails?

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of