Which system of equations has exactly one solution? 2 x - 4 y = 8. x + y = 7. 3 x + y = - 1. 6 x + 2 y = - 2. 3 x + 3 y = 3. - 6 x - 6 y = 3. 3 x - 2 y = 4. - 3 x + 2 y = 4.

Alina is able to swim at a rate of about 2.5 miles per hour. Talia is able to swim at a rate of 1.8 meters per second. Which statement comparing the two swimmers is accurate?

Momentum = mass x velocity If a car has a mass of 1000kg and it has a velocity of 5 m/s, what is it's momentum? Show your work and units in the calculation and answer.

You have been really sick, so you went to the doctor. The culture taken shows you have 400,000 bacteria. Your doctor prescribes a strong antibiotic which makes the bacteria decrease by a half every 4 hours.

The ratio of height of a bonsai ficus tree to the height of a full-size ficus trees is 1:9 the bonsai ficus is 6 inches tall what is the height of a full-size ficus?

What is bigger 2/3 or 1/4?

David saves $175 each month for the first 5 months. Then he saves $225 each month for the next 5 months. What is the average amount that David saves each month

Which of the following equations is not equivalent to the others? y = - 4 + 3 x y = - 3 x + (-4) y = - 3 x - 4 y = - 4 - 3 x

Read the following passage from the Odyssey: Square in your ship's path are Sirens, crying beauty to bewitch men coasting by; woe to the innocent who hears that sound!

Mitchell is a big coffee fan, so he always takes care of coffee brewing at the office. Normally he uses 100100 grams of Robusta coffee to prepare 1010 cups of coffee.

A small legend on the corner states that 4 inches of the length corresponds to an length of 52 get what is the scale factor