There are 12 marbles in a bag, and the marbles are either yellow or green ]. two marbles will be randomly picked from the bag, without replacing the first one picked. the probability that both marbles will be yellow 5/33. how many green marbles are in the bag?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

The mean average cost of standard room per night at a hostel is ? 20.60. therefore, how much does a standard room cost per night at night-time rest days?

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations