In 1980, the United States' national debt exceeded $9 billion dollars. Express the exact dollar amount in scientific notation.

A circle with circumferemce 18 has a arc with a 120 degrees central angle. What is the length of the arc

Simplify (-6) ^-3 and explain

Preform the indicated operation (-10) - (-4)

Fill in the blanks with the names of 3 types of energy

What is the solution to the inequality + 4 50?

What is the range? 8, 10, 60, 3, 5, 13, 12, 40, 8

Make a ratio using two ingredients

What solution is 33x-33=33x+25?

Solve the equation using any method. Round your solutions to the nearest hundredth, if necessary. 3x2 - x - 3 = 0

If f (x) = x^2, which of the following describes the graph of f (x - 1) ? A.) The graph of f (x - 1) is a horizontal shift of f (x) = x^2 one unit to the left. B.) The graph of f (x - 1) is a vertical shift of f (x) = x^2 one unit up. C.