K, m, n each stand for a whole number.
they add together to make 1500
k+m+n=1500
m is 3 times as big as n.
k is twice as big a n.
calculate the numbers k, m, n

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is