Cindy needs to order 150 invitations which are sold in packs of 20. how many packs does cindy need to buy?
a) 6
b) 7
c) 8
d) 9

only 10/60 isn't equivalent

hope this : )

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0