Answer:
division, I mostly use it and I find it easy
Answer:
-a² + 2ab + b² is your answer, or C).
Step-by-step explanation:
b(a + b) -a (a - b)
Distribute b to (a + b), and -a to (a - b)
b(a + b) = ab + b²
-a(a - b) = -a² + ab
Simplify. Combine like terms.
(-a² + ab) + (ab + b²) = -a² + 2ab + b²
-a² + 2ab + b² is your answer, or C).
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1).2:5
2). If pan has 40 dollars in her account that means her brother has 100 dollars since all your doing is 20×2=40 20×5=100
3). Im not sure about this one but I assume it is 4:10
(I dont know what a tape diagram is but I hope this helped).
Answer:
the answer is 8%
Step-by-step explanation:
