Sign changing means that each value went from positive to negative.
Assuming A is a 180 degree rotation around the origin, the answer would be A.
B doesn't change the sign for neither x nor y.
C changes the sign for y, but not x.
D changes the sign for x, but not y.
The answer would be e. 3,030,285,000 because 30 million is closer than 20 million. Hope this helps.
Answer:
y = 2x
Step-by-step explanation:
if 13 inches of snow has fallen over 6.5 hours, you just divide 13 by 6.5 to get the amount that has fallen each hour (2 inches)
25(3a+2b)
Factor out 25 from the expression
