What is the gradient of the blue line?

List the 10 possible samples (without replacement) of size 3 3 that can be obtained from the population of five officials.

What is x and y intercepts for y=x+7

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?