Answer:
A triangle
Step-by-step explanation:
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Answer:
Step-by-step explanation:
25x - 35 = 5*5*x - 5*7
= 5*( 5x - 7)
Answer:
72.56
Step-by-step explanation:
Divide the number of pounds by 2.205
160/2.205 = 72.56
Answer:
rational
Step-by-step explanation:
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Answer:
y is also doubled.
Step-by-step explanation:
Direct proportionality between
and
means that

or
,
which indicates a linear relationship between
and
because they are related by a constant.
Therefore, if x is doubled, then the new value of
is 



The new value of
is 2 times the previous; therefore,
is doubled as
is doubled.