Answer:
Step-by-step explanation:
731² - 631² is the difference of squares.
731² - 631² = (731+631)(731-631) = 1362×100
therefore, 731² - 631² is divisible by 100
Answer:
you can change x=0=>y=-7/2 or
y=0=> x=2
Answer:
b = (c - 3a)/4
Step-by-step explanation:
3a + 4b = c
4b = c - 3a
b = (c - 3a)/4
Answer:
9615
Step-by-step explanation: I hope it right
Answer:
Population is <u>></u> 1,000,000, 000
Step-by-step explanation: