an engineer estimated the weight of a steel beam to be 600 pounds. the actual weight of the beam was 568 pounds. find the absolute error and the percent error of the engineers estimate. if necessary round your answers to the nearest tenth.

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

Are the corresponding angles congruent? explain why or why not.