Given that a = 5,b = -2,find the value of 2a - 4b

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

What’s -11-33k and factor each expression completely

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)