Alan can type a research paper in 6 hours. With Steve's help, the paper can be typed in
4 hours. Find how long it takes Steve to type
the paper alone.

a) what number, when added to negative four, is equal to negative five?

step-by-step explanation:

coin flip

non-answer:

choosing

sorry if this isnt what you're looking for i dont really understand the question

15 units use socratic

step-by-step explanation: 15 units

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answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb