7th Grade Math Quiz
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THE NUMBER SYSTEM
Question 1
of 20
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During a science lab, the temperature changed by
−
8
∘
-8^\circ
−
8
∘
then
+
15
∘
+15^\circ
+
1
5
∘
. What is
−
8
+
15
-8+15
−
8
+
15
?
A
7
7
7
B
−
7
-7
−
7
C
−
23
-23
−
23
D
23
23
23
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