Answer:
and 
Step-by-step explanation:
We have te following expression:

Which can be written as:

Applying common factor 2 in the right side of the equation:

Answer:
Each side of the rhombus is 21 inches
Step-by-step explanation:
A rhombus has 4 equal sides: So all sides are the same
So you take the total perimeter and divide it by 4
84/4=21
Answer:
A
Step-by-step explanation:
by looking how many of the number fit into the category of minutes
Answer:
Step-by-step explanation:
y = mx + c
Here, m is the slope & c is the y-intercept
y = -3x - 1
Slope = -3
y intercept = -1