Since stocks can be traded online, which purpose is best served by markets?

O Markets regulate transactions.

O Markets are where the trades actually occur.

O Markets sell the assets to be traded.

O Markets ensure that the transactions are secure.

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Earth has a mass of 5.97 * 1024 kg and Venus has a mass of 4.87 * 1024 kg. How much more mass does Earth have than Venus? Earth has a * 10b kilograms more mass than Venus. What is the value of a and b in the solution?

If you have read half of an 80 page book how many pages did i read?

The height of a person in a scale drawing is 4 inches. The person's actual height is 64 inches.

Find the function r that satisfies the given condition. r' (t) = (e^t, sin t, sec^2 t) : r (0) = (2, 2, 2) r (t) = ()

When x = 2, y = 50 and when x = 4, y = 100. Which direct variation equation can be used to model this function? xy = 100 xy = 400 y = 25x y = 100x

Replace ∗ with a monomial so that the derived expression may be represented as a square of a binomial: * -42pq+49q^2

A jet has a speed of 680 miles per hour in still air. If the plane flies directly north and encounters a 75 mile-per-hour wind blowing directly east, which is closest to the resultant speed of the airplane? A. 605.0 mph B. 675.9 mph C. 684.1 mph D.

Simplify 6r · s · 4rt.

Factor. 49x^16-16y^64 (7x^4-4y^8) (7x^4+4y^8) (7x^8-4y^32) ^2 (7x^8-4y^32) (7x^8+4y^32) (7x^4-4y^8) ^2

Explain how comparing 645 and 738 different from comparing 645 and 649