Find the greatest common factor of 9n and 7n^3

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

92ft long and 48 wide resurface 2.75$