A nurse mixes 40 cc of a 70% saline solution with a 10% saline solution to produce a 20% saline solution. How much of the 10% solution should he use?
The amount of 10% saline solution needed is?

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

15 points what is the end behavior of this graph? & what is the asymptote of this graph?