The mass of an object is equal to the product of the object's density and volume. the density of titanium is 4.51 grams per cubic centimeter. if the volume of a piece of titanium is 21 cubic centimeters, what is its mass?
0.22 grams
94.71 grams
284.13 grams
25.51 grams

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?

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Answer pls man im trying to get out of summer school