Which of the following best describes the equation below?

y = -7x - 9

A.
nonlinear
B.
neither linear nor nonlinear
C.
linear
D.
both linear and nonlinear

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?