Answer:
-3
Step-by-step explanation:
Answer:
4 * (3 + 5)
4 * 8
<u>32</u>
Step-by-step explanation:
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Answer:
EF=6
Step-by-step explanation:
E is the midpoint, so DE = EF
DE = 15-3x
EF = x+ 3
Since DE = EF,
15 - 3x = x + 3
-4x = -12
x = 3
If x = 3,
DE = 15 - 3*3, 15 - 9 = 6
EF = x+ 3, so EF = 3 + 3 = 6