In one month American's consumed 320,500,000 gallons of gasoline. Express this number in scientific notation.

Greg is flipping two coins. What is the probability that both his coins will land on heads?

If all the sides of a triangle get 2 times as big, how much does the area change?

Amy bought a 2-gallon container of orange juice last week for $6.00. If she drinks 1 cup a day every day, how long will the orange juice last? About how much does each cup cost? Explain your thinking.

A basket with 12 apples has a mass of 3,105 grams. The same basket with 7 apples has a mass of 1,980 grams. Each apple has the same mass. What is the mass of the basket?

A triangle has sides of lengths 48 mm, 55 mm, and 73 mm. Is it a right triangle?

X = - 2a, if a = 3. f (x) = - 4x + 7

What is the radical form of 10y1/2

Ladonna is running for city council. She needs to get 5/6 of her votes from senior citizens and 36,000 votes in all to win. How many votes does she need from voters other than the senior citizens

Find the solution for 3x+3=3X+3

Solve the system of linear equations by graphing. Round the solution to the nearest tenth. Y=-0.25x+4.7 y=4.9x-1.64