2over 3 of all your books are fiction. 1/6 of those are historical fiction. what fraction of all your books are historical fiction?

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

The paint recipe also calls for 1/4 cup of food coloring. tyler says mrs. mcglashan will also need 6 cups of food coloring. do u agree or disagree? explain.