Which is the correct way to punctuate this sentence?(multiple choice)

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Abaker makes 186 cookies. some are chocolate chip and some are oatmeal raisin, and both kinds are made with and without nuts, as shown in the table above. because they are more popular, the baker made 2/3 of the cookies chocolate chip. if a chocolate chip cookie is chosen at random, what is the probability that it will have nuts? a) 21/93 b) 21/62 c) 41/93 d) 21/41

1. are the triangles similar and if so why? what is the value of x? show your work.