1. There are 4 boys and. 2 girls in room A and 5 boys and 3 girls in room B. Agirl from one of the two rooms laughed loudly. What is the probability
that the girl laughed was from Room B.

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

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

Determine if the equation defines y as a function of x: 2xy = 1. yes o no