Help me pls asap and i’ll give brainliest !! :(

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?