<span>The coordinates of the vertices of the triangle : </span>(-1,1), (-4,1). <span>(-4, 4)
</span>the translation (x, y) --> (x + 3, y + 2), the new coordinates of the vertices of the triangle will be:<span> (2, 3), </span>(-1, 3), <span>(-1, 6)
45 - 2t < 32 ( where t is time and you can replace it with x or h if you prefer) Solving for t you get: 45 - 2t - 32 < 0 45 - 32 < 2t 13 < 2t 13/2 < t Or the temperature will drop below 32F after 6 and a half hours