A pelican starts at 60 feet above sea level. It descends 60 feet to catch a fish. Write an addition expression, find the sum, and explain its meaning.

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

X2 + y 2 = 36 x + y = 6 solve the system of equations.

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?