Step-by-step explanation:
p=2L+2w
factorise
p=2(L+w)
p=2(20+14)
p=2(34)
p=68
This is also a perimeter of a rectangle
Answer:
285ab-159b
Step-by-step explanation:
distribute 13 and 23 into the parenthesis
78ab-117b+207ab+276b
combine like-terms
78ab+207ab-117b+276b
285ab-159b
Answer:
OR
Step-by-step explanation:
9x2−17x−85=0
For this equation: a=9, b=-17, c=-85
9x2+−17x+−85=0
Step 1: Use quadratic formula with a=9, b=-17, c=-85.
1.2 inches of snow fell per hour, 7.2/4=1.2
Answer:
just draw it and u will see i had tnat like 6months ago