For the function f (x) = 3x^3 + 9x^2 + bx +1, where f passes through the point (-3,1), what is the value of k ?

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

If 20% of a number is 35, what is 50% of that number?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie