What is the sum of all positive integers n for which lcm(10, 18, n) = 630 and gcd(10, 18, n) = 2? i really need the explanation and the rule for how to do these types of problems.

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

The function models the number of accidents