Which of these are proposition ? What are the truth values of those that are propositions? a) Do you pas go b) What time is it ? c) These are no black flies in Maine d)4+x= 5 e) The moon is made of green cheese

Part A

c) These are no black flies in Maine

d) 4 + x = 5

e) The Moon is made of green cheese

Part B

c) Likely false

d) True

e) False

Step-by-step explanation:

Part A

A proposition is a sentence that declares affirmation or denies a subject's predicate by the use of a Copula

Therefore, the statements are;

c) These are no black flies in Maine

Here the subject is Maine, the predicate is no black flies, and the copula is are

d) 4 + x = 5

Here the subject is '4 + x', the predicate, 5 and the Copula is '='

e) The Moon is made of green cheese

Here the subject is the Moon, the predicate is 'made of', and the copula is 'is'

Part B

The truth value of the statements are;

c) Likely false

d) True, 'x' is a variable

e) False

-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14