-x-2y for x = -5 and y=5 please explain how you got answer

so I can understand it thanks

Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?

Which expressions are equivalent to -6 + 3m

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year