Am i doing this right? i circled the answer that i got. we’re supposed to use division to solve the questions.. let me know if i’m doing this right!

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

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

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7