What is 2/3 + 1/2 equal?

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

Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?