97 rounds up to 100
78 rounds up to 80
100x80= 8,000
estimate=8,000
97x78=7,566
product=7,566
Answer:
(6,0)
Step-by-step explanation:
The given system has equations:


Multiply the top equation by 2 to get:


Subtract the top equation form the bottom equation to get:



Put y=0 into 


Therefore the solution is (6,0)
Answer:
can u ;ut it in english plzz
Step-by-step explanation:
4,7,5 .................................................