Answer:
It has a zero in it so it should be identity property.
Step-by-step explanation: anything with 0 is im pretty sure the Identity problem.
Answer:
9 & 2.
Step-by-step explanation:
let x represent the unknown numbers.
x + x-7 = 11
2x = 11+7
2x = 18.
divide both sides by 2.
x = 9.
x-7 = 9-7 = 2
Answer:
483
Step-by-step explanation:
840 minus 357 is 483
Length times width and that will get you an answer