Answer:
it is commutative property of add
Step-by-step explanation:
commutative propert:
a+b=b+a
same as
5x-8=-8+5x
2.47+7.1=9.57
7.1+2.47=9.57
9.57-2.47=7.1
9.57-7.1=2.47
Answer:
196ft^2
Step-by-step explanation:
direct the diagram as shown in my image attachment
A = 1/2 x (18-(9-7)) x (6+8) = 112ft^2
B = 2 x (6+8) = 28ft^2
C = 7 x 8 = 56ft^2
total area = 112 + 28 + 56 = 196ft^2
for more math tips do check out my insta: learntionary
Her error was that she misplaced the numbers
-30x ≥ -300
its supose
to be -30x ≥ 200