Math

What are the exact total miles in a 5k race and a 10k race?

I just wanted some helf to know the difference between factors and multiples and there similarities

I need help on solving word problem inequalities. I don't know how.

Please help me with the following problem. I can't figure it out. Thanks A total of 270 students are in classes a and b. 30 Students moved into class b from a and then there was twice as many students in class b. Find the original number of students in classes a and b. Off hand I would say...

X : x + 15 = 7:12<<<< solve for x this is properties of proportions 2x-3 is to 3 as 1 - x is to 5<<<< I have no idea P varies directly as the square of are, if p = 64, r=4, and r= 3 , find the value of p1 The volume of gas varies inversely as the pressure, if v = 100 , p= 76 , and p1=...