B 6.44 because 6.4 is equal to 6.40 and in between 6.40 and 6.60 there is 6.44.
m<CAE = 90: definition of perpendicular
p.s. ty for this!
B.
7cd, -12cd
Explanation;
Like terms have similar variables.
$44.25 total divided by how many yards (14.75) = $3/yard