Sin 75°(cot 75° + cot 60°)

help me simplify this​

How many grams the dog will eat in 3 days?

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?

How many square feet of outdoor carpet will we need for this whole?