What type of triangle is formed by joining the points d(7, 3), e(8, 1), and
f(4, -1)?
a.
equilateral triangle
b.
isosceles triangle
c.
right triangle
d.
acute scalene triangle
e.
obtuse scalene triangle

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?