A bowl contains 7 marbles of various colors consisting of green, brown, and red. Tim knows that in the bowl, 3 marbles are green and 1 marble is brown.
What is the probability that a randomly selected marble will be red?

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

What value of x is in the solution set of 4x – 12 s 16 + 8x?

What is always true when two whole numbers are subtracted?