How many tiles each 30cm by 30cm will be needed for floor with dimesions 2.9m by 3.4m

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

Arecipe calls for 32 fluid ounces of heavy cream. how many 1 pint containers of heavy cream are needed to make the recipe?

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?