Two lines, r and m, are represented by the following equations:
line r: 2x + 2y = 18
line m: x + y = 9
which statement is true about the solution to the set of equations?
it is (18, 9).
it is (9, 18).
there are infinitely many solutions.
there is no solution. (i know it's not this one)

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic. org