Write the following proportion using colons. 7 is to 21 as 3 is to 9.

a. 7: 21 = 9: 3
b. 7: 3 = 21: 9
c. 21: 7 = 3: 9
d. 7: 21 = 3: 9

In each bouquet of flowers, there are 2 roses and 3 white carnations. complete the table to find how many roses and carnations there are in 2 bouquets of flowers.

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?

W-16=-12 solve each one step equation plz