Answer:
38
Step-by-step explanation:
Given that,
x = -4
f(x)=x² - 4x +6
so,
f(-4)= (-4)² - 4 . (-4) +6
=16 +16 +6
= 38
Answer:
x+7
Step-by-step explanation:
Remove Parentheses
Collect like terms
Calculate
first is 86
we know because of the sum of the interior angles of a triangle being 180, and that 5 + 6 =180
Answer:

Step-by-step explanation:






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Answer:
x = (180 - 68) / 2
Step-by-step explanation:
x = 56°