Hey!
Answer:
Step 1. The perimeter P means adding up all the four sides of a rectangle.
Step 2. Let w be the width.
Step 3. Let 2w be the length
Step 4. Then, P=w+w+2w+2w=126.
Step 5. Solving yields the following steps
w=21
Hope this helps!
~LENA~
Answer:
8
Step-by-step explanation:
The probability of the event not happening will be 8-3/8 that is 5/8
Answer:
m= -3
Step-by-step explanation:
You should do m = -1 - 2 x 1 - 0 which equals m = -3