Doe's anyone understand this?

Mary had at least an 80% on her test write an inequality to represent this situation

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

Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality