How many pounds of coffee worth $4 per pound must be mixed with 20 pounds of elmer's glue worth $2 per pounds to obtain a mixture worth $3.60 per pound?

1. 34

2. 268

3. x=14.4

step-by-step explanation:

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x

b

step-by-step explanation:

hello from mrbilldoesmath!

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