I gotta solve 5kx+6=7kx for x

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?

The product of sin 30 degrees and sin 60 degrees is same as the product of