The range of all real numbers x such that 2x − 5 < 7 and 4x + 10 > 6 is

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

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?