Ryan's dog weighs 75 pounds, and mark's dog weighs p pounds. which expression shows their combined weight? a. 75 + p b. 75 - p c. 75 ÷ p d. 75 × p

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

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

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2