Nis a positive integer.
explain why n(n-1) must be an even number.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

What is the difference between the equations of a vertical and a horizontal line?

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer