Caleb bought a boogie board and used a coupon for $8.50 off of the cost. fill in the box with the expression that represents the total cost. let t represent the total cost and b represent the original cost of the boogie board.

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4