Answer:
4t is the expression
Step-by-step explanation:
4×t
Slope formula: y2-y1/x2-x1
= -15-(-16)/-7-19
= 1/12
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Best Regards,
Wolfyy
Add the real parts and the imaginary parts separately and divide each by 2


=(1+3i)
So, the first brand has 9% vinegar, and say we use "x" amount of it, then, the amount of vinegar in "x" is 9% of x, or (9/100) * x, 0.09x.
the second brand has 14% of vinegar, and if we use say "y" amount of it, then the amount of vinegar in "y" is really just 14% of "y" or, (14/100) * y, 0.14y.

so, whatever "x" and "y" are, we know that
x + y = 230.
and we also know that their concentration amounts will also add up,
0.09x + 0.14y = 29.9.

how many milliliters will it be for the second brand? well, y = 230 - x.