Can y’all plz help me

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

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

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.