Marianna buys a snack combo for 2.50 if the sales tax rate is 8% what is the total price of the combo including tax

What is the missing constant term in the perfect square that starts with x^2 -20x

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.