Jack has 12 pencils and 7 pens. how many more pencils than pens does he have?

Which of the following is true for the relation f(x)=2x^2+1

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.