What is the simplified form of the expression? [6/7]^2

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Plz will give brainliest

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