Ik this is easy but pls explain and help I will mark u brainliest:) [?] ft^3​

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.