Choose which property of equality is demonstrated moving from step a to step b. a. 3x + 12 = 6x - 21
b. 3x + 33 = 6x

Tell whatever the ordered pair is a solution of the given system.

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

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?