Answer:
(s-20)(s+3)
Step-by-step explanation:
(s-5)(s-12) equals s²-17x+60 and is incorrect
Answer:
D, E
Step-by-step explanation:
All sides are not the same length so not A
Two sides are not the same length so not B
Not all angles are less than 90 so not C
All sides are different length so D
There is a right angle so E
Not all sides are greater than 90 so not F
Answer:
$
Step-by-step explanation:
÷ 
= 
Hope this helps
