ANSWER:-
a = 3
EXPLANATION:-
4a + 6 = 12 - 2a
4a - 2a = 12 - 6
2a = 6
a = 6/2
a = 3
HOPE IT HELPS!!!!!!!!!!
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5

3/3 would be your answer in exact form.
I don't know part 1 but
Part B: It's increased 6cm at segment P, decreased 6cm at segment R, stays constant for 1 second at segment Q
Part C: First the Ant takes 3 seconds climbing up 6cm of the hill then stays there for 1 second then takes 3 seconds climbing 6cm back down the hill.
Answer:
D
Step-by-step explanation:
Answer:
-35, -20
Step-by-step explanation: