F and H are sets of real numbers defined as follows.
F={w | w>3}
H={w | w>6}
Write FUH and Fn H using interval notation.
If the set is empty, write Ø.

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

Assemble the proof by dragging tiles to the statements and reasons column

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.