Answer:
x = 78
Step-by-step explanation:
We can find angle y
D + B + y = 180 since the sum of the angles of a triangle are 180
31+47+ y =180
78+y = 180
y = 180 - 78
y = 102
x+y = 180 since they form a straight line
x + 102 = 180
x = 180-102
x = 78
What punctuation is used with titles of songs and short stories?
1 answer:
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Answer:
Step-by-step explanation:
Factor 4x2−7x−2
4x2−7x−2
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