Answer:
a i think
Step-by-step explanation:
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
I hope this helped you out :)
Answer:
31.11
Step-by-step explanation:
simplify the expression
Answer:
20
30
Step-by-step explanation:
Do 5 times ten.
5 times -6
Gives you 20
Then do 6 times 4, 6 times 10, to get the final answer of 30.
5/6 is equal to 10/12 and 3/8 is equivalent to 6/16
