Trey and his friends wanted to have lunch together to talk about his dream job at Happy John's Pizza. They wanted to leave approximately a 15% tip for the waiter. The bill for the pizza and drinks is $38.57. How much will Trey and his friends leave as a tip for the waiter?

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Which of the following is true for the relation f(x)=2x^2+1

What are the solution(s) to the quadratic equation x2 – 25 = 0? o x = 5 and x = -5ox=25 and x = -25o x = 125 and x = -125o no real solution