An item is priced at $13.66. if the sales tax is 6%, what does the item cost including sales tax?

Aportion of a line bounded by two points is defined as

What is the standard form of -5x^2+2x^4-11+x^3+3x

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?