Answer:
c is correct i tested it
Step-by-step explanation:
Answer:
k
≤
7
Step-by-step explanation:
25/100=30/x x=120 (30+70y)/(120+100y)=50/100 100y=?
Answer:
B
Step-by-step explanation:
according to pythagorean
(x>0)
=> 
=>
= 25
Answer:
-x + 20y
Step-by-step explanation:
trust me.. its right