4/5 of sarahs pens are equal to 1/3 of matt's pens. express the number of matt's pens as a fraction of the total number of pens he and sarah have

The vector matrix [2/7] is dilated by a favor of 1.5 and then reflected across the x axis. if the resulting matrix is [a/b] then a= and b=

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.

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2