Vertical angles are
a. never congruent.
b. always congruent.
c. congruent only when they are both obtuse angles.
d. congruent only when they are both acute angles.

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

The function models the number of accidents