4x - 2y = 14-10x + 7y = -25? i don't know how to solve systems of equations

Acylinder has volume 45π and radius 3. what is it’s height?

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

Vertical angles must check all that apply