Aday temperature was four degress celsius.
at night, the temperature dropped six degree.
what was the night temperature?

Cody worked 42.5 hours per week in july. this is 12.25 hours more per week than he worked in june.how many hours did cody work per week in june?

The value √10 and √15 are plotted on the number line

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).