Answer:
Step-by-step explanation:
set 30
1) 90-52 = x
38 = x
2) 90 -15-25=x
50 = x
set 31
1) t = 3m
m = independent
t = dependent
m t
[tex]\left[\begin{array}{ccc}1 & 3\\2 & 6\\3 & 9\\4&12\\5&15\\6&18\end{array}\right][/tex]
2)
m = 25d
d = independent
m = dependent
m d
[tex]\left[\begin{array}{ccc}1&25\\2&50\\3&75\\4&100\\5&125\\6&150\\7&175\end{array}\right][/tex]
