Ascientist had 3/4 liter of solution. he used 1/6 of the solution for an experiment..how much solution did the scientist use for the experiment

What is the slope of a line that is perpendicular to y = 3x + 1

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

What are the coordinates of a vertex of the hyperbola?