An archimedean screw is a screw within a closely fitting cover, so that water can be raised when the screw is turned. suppose the screw has a mechanical advantage of 12.5. if the screw is turned several times, so that the input distance is 15.7 m, how much has water been lifted upward by the screw

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.