What is the sum of 5/6+2/3

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)