Let T be the statement
? real numbers x, if ? 1 < x ? 0 then x + 1 > 0.
(a) Write the converse of T.
(b) Write the contrapositive of T.
a. ? real numbers x; if x + 1 > 0 then ?1 < x ? 0:
b. ? real numbers x; if x + 1 ? 0 then ?1 ? x or x > 0:
Or: ? real numbers x; if x + 1 ? 0 then ?1 ? x or x ? 0:
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Write the proportion.8 is to 5 as 24 is to 15.
A. 
= 
B. 
= 
C. 
= 
D. 
= 