Answer:
x=10,−10
simple, it could be negative OR positive :D
Can u make a graaph showing this
Answer:

Step-by-step explanation:

(x₁, y₁) is the 1st coordinate while (x₂, y₂) is the 2nd coordinate.
Gradient of the line



Answer:
75%
Step-by-step explanation:
The percent increase is calculated as
percent increase =
× 100%
increase = 7 - 4 = 3, thus
% increase =
× 100% =
= 75%
Answer:
The markdown rate is 32.1%
Step-by-step explanation:
We can easily solve this problem by applying a rule of three,
$1.09 a dozen ---------------------------------- 100% of the value
$0.35 a dozen ------------------------------------- x
x = ($0.35/$1.09) * 100%
x = 0.3211 *100%
x = 32.11%
The markdown rate is 32.1%