Can anyone help me out on this question?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

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

The square root of 9x plus 7 plus the square rot of 2x equall to 7