Does anyone wanna be my friend i am a little lonely right now if so i will give you my email

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

What is the factored form of x2 − 4x − 5? (x + 5)(x − 1) (x + 5)(x + 1) (x − 5)(x − 1) (x − 5)(x + 1)