Darius buys a bottle of chemical solution that contains 70% alcohol. The bottle contains 500 milliliters of solution. How many milliliters of alcohol are there?

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

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75