J. c. penney sells a timex watch for $139.99 that cost $89.97. j. c. penney's percent of markup based on the selling price is
a) 55.56%
b) 55.57%
c) 35.73%
d) 37.52%
e) none of the above

Which math sentence can be used to determine if the triangle is a right triangle?

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1