add all the numbers and check the ones place.
the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490
10 b/c 5*2 =10
step-by-step explanation:
( - 4 , -7 )
all the lines must parallel
coordinates of c = ( - 1 , 2 )
3 units left = ( -4 , 2 )
9 units down = ( - 4 , 11 )