Simplify the following expression:

Sqrt (-16) + sqrt (-25+5)

Of the 50 states in the United States, 14 have an Atlantic Ocean coastline and 5 have a Pacific Ocean coastline. What fraction of U. S states have either an Atlantic or Pacific Ocean coastline?

Write the number as a fraction 2 ways. - 7

What is x, y and z? show your work x - y + 9z = - 27 2x - 4y - z = - 1 3x + 6y - 3z = 27

A circular railroad crossing sign has a diameter of 30 inches. which measurment is closest to the area of the sign in square inches

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Name a right anangle

X (1+y) = z solve for x

A baseball team won 40% of its first 30 games. The team then won 65% of its next 60 games. Approximately what percent of the games did the team win

Four less than two-thirds of a number is equal to twice the number. What is the number

A woman is plotting out a garden bed. She measures the diagonals of the bed and finds that one is 22 ft long and the other is 23 ft long. Could the garden bed be a rectangle? Explain.