Answer:
Step-by-step explanation:
3ab + 7a² + 2b² - (7a² - 4ab + 2b²) = 3ab + 7a² + 2b² - 7a² + 4ab - 2b²
Now combine like term. Like terms have same variable with same power.
= <u>3ab + 4ab</u> <u>+ 7a² - 7a²</u> + <u>2b² - 2b²</u>
= 7ab
Answer:
-16
Step-by-step explanation:
Asserting a <em>cause - and - effect </em><em>relation</em><em>ship</em> with highly correlated variables may sometimes be misleading due to the presence of a possible lurking or confounding variable.
Lurking variables cause unintended or spurious association between correlated variables. In the scenario described, a possible confounding variable may be weariness or Fatigue which whereby the mother finds it easier to bottle feed as they have become psychologically disturbed and are prone to be more receptive during these period.
Hence, fatigue is a possible lurking variable in this scenario.
Learn more : brainly.com/question/25530966
Answer: 5
Step-by-step explanation: Let x = the number
x^10 ÷ x^7 = 125
x^3 = 125
x = 5
I think the answer is B.(1.33,1)
but i'm not sure..