Multiply equation II by 2 and then add up the equations.
Answer:
Step-by-step explanation:
Your answer is 7x+4y+8
midpoint = (2, 4 )
using the midpoint formula
midpoint = [ 
(1 + 3 ), (2 + 6 )] = (2, 4)
81 would be the answer becuss 9 times 9 is 81
Answer:
He had 5 minutes left for question C.
Step-by-step explanation:
20 minutes to do the quiz.
He spent:
11 minutes on question A
4 minutes of question B.
So, for the first 2 questions, he used 15 minutes.
How much time did he have left for question C?
Total of 20 minutes, in the first two questions he used 15. So
20 - 15 = 5
He had 5 minutes left for question C.
