What is 2 divided by the square root of zero

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose

True or false? the sum of the differences (% - 7) is never zero for any distribution consisting of n observations.

Gigi earned $65 for 5 hours of gardening. she earned $90 for 9 hours of office work. which statement correctly compares gigi’s earning per hour for gardening and office work? she earned $3 more per hour for office work than for gardening. she earned $4 more per hour for office work than for gardening. she earned $3 more per hour for gardening than for office work. she earned $4 more per hour for gardening than for office work.