Is there a relationship between the percent of management jobs held by men in a company (% MGT) and the percent of men working in a company (% WORK)?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

What will be the end result for the taxpayer who filed his federal income tax return using the 1040ez form shown belowa he'll owe $173b he'll receive a refund of $173c he'll owe $3921d he'll receive a refund of $3921