Answer:
d) impossible to estimate
Step-by-step explanation:
(-a-b,c)
midpoint D : ((-2b-2a)/2 ;(2c+0) /2 )
(-2b-2a)/2 = 2(-b -a)/2 = -b-a
(2c+0) /2 =2c/2 = c
40
+5
=45
1
+10
=11
11
+45
=56
p = 421 - 376 over 376
