What is the answer to a 4x4 magic square sum 34?

4.5 over z equals 5.4 over 1.2 plus z the answer is 6 how do i get there? what are the two numbers that are same but if you multiply them it equal to 34? An equation that shows that two ratios or rates are equivalent? What is 5 feet and 5 inches to centimeters? Why kind of a number is the square root of -4? What percent of 400 is 252? What is the of 208 miles equals how many hours? How many 18 x 18 tiles equal 1250 sq ft? During the last 100 feet prior to an unmarked intersection a vehicle should slow to how many mile per hour? Is an INR of 8.0 dangerous? What does hct of 41.7 mean? Two segments or rays in the same plane are parallel if the containing them are parallel.? What is 9-4 8-10 divided by 2? Write a numerical expression of the sum of two irrational numbers resulting in an irrational number? How many faces does a 3d square based pyramid have? How do you write two hundred million? How is math used in skating? What types of math majors are there? Are there more prime numbers from 1-25 or from 25-50? What is one billion divided by ten?