It is true because if a is perpendicular to b and b is perpendicular to c therefore a has to be perpendicular to c also they said that all three lines are coplanar therefore the statement must be true
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Answer:
She has completed 2/3 of the poster
Explanation:
1/3 of the poster the first day
+
1/3 of the poster the next day
1/3 + 1/3 = 2/3
The answer is 80.
80 flipped is 08, which is equal to 8, then 8+9=17
The answer is -7, because a whole number is any number between zero and POSITIVE infinity. Negative seven does not fall under this.