If 8(x) is the inverse of f(x) and f(x) = 4x + 12 what is g(x) ?
g(x) = 12x + 4
g(x) = x-12
g(x) = x-3
g(x) - x-3

Arectangle has an area of 54 square feet. if the length is 3 feet more than the width, find the dimensions of the rectangle.

How many grams must be adde to 970g to make 1 and a half kg

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.