A jar contains four blue marbles and two red marbles. Suppose you marble at random, and do not replace it. Then you choose a second marble. Find the probability of each event. a. You select a blue marble and then a red marble.
b. You select a red marble and then a blue marble.
c. One of the marbles you select is blue and the other is red.
d. Both of the marbles you select are red.​

During your cycling trip, you and your friends often stayed in hostels. the prices of these are listed below. hostel standard room (price per night) with breakfast (price per night) super sleep hostels £22.45 £28.65 normandy nights £18.55 £25 zzzola hostels £24.50 £30.99 belgian beds £11.20 £18.55 night-time rest days ? £33 what is the range in cost for a single night, including both standard room prices and with breakfast prices?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?