The cost of buying a mobile phone is 30% of the cost of buying a computer. if it costs $800 to buy a computer ,how much is the mobile phone ?

What is the equation of a line passing through (-6,5) and having a slope of 1/3

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.

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?