My 8year old kid has a math problem and we don’t know it says can you always use addition to join groups?Can you always use multiplication to join groups?Explain why or why not.

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

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).

What does the sign of the slope tell you about a line?