An equilateral triangle has a side of tradition cm what is the distance around the triangle who answer this she's smart in the world ​

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

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?