What postulate would justify the following statement?

If D is between A and B, than AD+DB=AB

If you add 5 to me and divide by 9 you get three. What number am I?

What is true about a y-intercept? a) the graph is about to cross the x-axis b) a graph has a place to end c) y=0 d) x=0

If it rains tomorrow, the probability is 0.8 that john will practice the piano. if it does not rain tomorrow, there is only a. 4 chance that john will practice.

During a promotional event a sporting goods store gave a free t-shrit to every 8th customer and a free water bottle to every 10th customer which customer has the first to get a free t-shirt and a free water bottle

Steven has a bag of 20 pieces of candy. Three are bubble gum, 8 are chocolates, 2 are fruit chews, and the rest are peppermints. If he randomly draws one piece of candy what is the probability that it will be chocolate?

For a normal population with a mean of m = 80 and a standard deviation of s = 10, what is the probability of obtaining a sample mean greater than m = 75 for a sample of n = 25 scores? p = 0.0062 p = 0.9938 p = 0.3085 p = 0.6915

What is $526.36 rounded to the nearest 10 dollars?

Death Valley, located in California, is the lowest place in North America. It is 282 feet below sea level, or - 282 feet. The Dead Sea, in Asia, is the lowest place on Earth. It's elevation is approximately 4.82 times the elevation of Death Valley.

Adam and his dad share the cost of the meal in the ratio of 2:3. Adam's dad pays £52.20. what is the cost of the meal

Factor each expression. Problem: r^2 + 12r + 27 Answer: (r + 3) (r + 9)