Use number properties to simplify the following expression. -5 + (5 + 3)

In the box below, show each step in simplifying the expression and explain which property you used in each step.

What are the soultion(s) to the quadratic equation 40- x^2=0

Anyone know? will mark brainliest if you're correct!

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).