Answer:
x = 19.42
Step-by-step explanation:
8²+x²=21²
64+x²=441
-64 -64
x²=377
x=19.41648784
rounded is 19.42

with y equaling the total and x equaling the number if months
Answer: your answer would be B
- 5 over 9
Step-by-step explanation:
Answer:
janarver 12- mae verdemax x-
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
y=kx
X=2 & y= 10
10=2k
k=5
when y=100
100=5x
X=20