Find the value of x .

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Let x = a + bi and y = c + di and z = f + gi. which statements are true?

How much would it be worth in 5, 10, 20 years