patrick has 100$ in his bank account. He starts adding 15$ to the account per week. after a while he has 205$ in his account. How long has patrick been saving

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

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