X=moira y=mother
x=1/2y-3
x=1/2(76)-3
x=38-3
x=35
Moira is 35 years old.
A counterexample for the following would be D, because it is the only positive number, which is opposite of a negative number.
Hey there, Simmonsalivia!
It seems that you are in a hurry so I will make it quick without explanation.
1)

or

2)

or

3) 11
4)

or

5)

or

6)

or

7) 4
8)

or

9)

or

10) 23

tablespoons of ground coffee.
11) She used

amount of flour in total.
12)

or

13) 4
14)

or

15)

or

16)

or

17)

or

18)

or

19)

or

20)

or

21) Ty needed 7 paving stones.
22) Besides the top block, they needed 25 blocks to build the tower.
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Answer: C
Step-by-step explanation: