Answer:
A
Explanation:
(5x-2)*(-2x+4)=-5x*2x+5x*4-2*(-2x)-2*4=-10x^2+20x+4x-8
Answer:
Option: a. Thriving and elaborate internal trade networks
Explanation:
China in the 15th century and 16th century ruled by the Ming Dynasty. During their reign, China became the largest economy in the world. Ming developed trade network through river systems and canals that promote the development of internal trade in China. The Yangtze River helped China to promote internal trading.
Answer:
signal detection theory.
Explanation:
Based on the information provided within the question it can be said that this scenario is best explained by signal detection theory. This theory refers to the difference between being able to detect information in information bearing patterns as opposed to random patterns that distract from the information at hand. Which is what happened in this scenario since the TSA officer is constantly checking bags for contraband but rarely checks for hidden contraband.
A
If you spank a child before talking about a punishment, the child may do the same thing again, especially if they do not know what they did wrong. The premack principle is based more upon engaging in more probable behaviors that will reinforce less probable behaviors. Children under two should not be spanked.
