Ris the region below the curve y=x and above the z-axis from x=0 to x=b, where b is a positive constant. s is the region below the curve y=cos(x) and above the x-axis from x=0 to x=b. for what value of b is the area of r equal to the area of s?
i know the answer is 1.404, but i need an explanation as to why. and you.

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Which of the following tables represents exponential functions?