What is the HCF of 3000 and 525 answer with process​

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Give me the equations of two lines that have the same slope but are not parallel.