In this situation reja ate 6 cookies, he gave 2 to his sister. how many cookies does reja have.

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

What is the distance between (–2 1/2,-3) and (1, –3)?

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.