Which statements show equivalent expressions? Select all that are correct.

16n - 2 + 9n = 2 (8n -- 2) + 9n

6 +26+62 +262 = 362 + 36

6x (2x – 5) = 12x2 – 30x

4m + 11 – 7m +3m + 3 = 14m + 14

5 (3 – 2y) = 15 – 2y

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

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

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.