You and your friend play a game. you answer 80% of the questions correctly and your friend answers 0.60 of the questions correctly. what is the minimum number of questions in the game?

What is the value of x in the diagram below?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.