DONT ANSWER IF YOU DONT KNOW! ANSWER ASAP :D Write each expression in the form a+bi, where a and b are real numbers.

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Me i’m stuck on all these questions besides the two bottom ones

Ellie spent $88.79 at the computer stote. she had $44.50 left to buy a cool hat. how much money did she originally have? write and solve an equation to answer the question.