Answer:
first one, put value of x= -3 and y = 0
second one, pit vale of x=7 and y= -7
Step-by-step explanation:
first one,
-14(-3) -20(0) =42
or, 42-0 = 42
or, 42 = 42
proved
second one,
-14(7) -20(-7) = 42
or, -98 + 140=42
or, 42 = 42
proved
B is your answer to this question
Hi,
So 50 billion written out would be 50,000,000,000
In scientific notation that would be 5.0 x 10^10
Answer:
-3
Step-by-step explanation:
