6ab + a(a – b – 6b) + 4a(2b +a) – ab , para a= -1 e b=2

ME AJUDEM! É URGENTE

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

Which of the symbols correctly relates the two numbers below check all that apply 6? 6