What is the logarithmic form of 11² = 121?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

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

Evaluate cos2θ for cosθ = square root of 3/2