An equilateral triangle has three sides of equal length. function p gives the perimeter of an equilateral triangle of side length s.
a. find p(2)
b. find p(10)
c. find p(s)

Can someone me with this problem . show your work .

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

[15 points, algebra 2]simplify the complex fraction and find the restrictions.