If testing the claim that sigma subscript 1 superscript 2 baseline not equals sigma subscript 2 superscript 2σ21≠σ22, what do we know about the two samples if the test statistic is fequals=1?

How do you multiply a mixed fraction by a regular fraction

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2