Determine whether the following systems are memoryless, casual, stable, time invariant and linear \[ y_{1}(n)=n x(n)+b x^{2}(n) \]

15.8 Choose the best answer. If \( E(p)>1 \) then, (a) A percent increase in price will result in a larger percent decrease in demand. (b) A percent increase in price will result in the same percent decrease in demand (c) A percent increase in price will result in a smaller percent decrease in demand (d) None of the above.

Suffrage Wins in Senate; Now Goes to States is this a primary or secondary source? why do you think so?

QUESTION 24 Dumping refers to: a) Reducing tariffs. b) Sale of goods abroad at a lower price, below their cost and price in their home market. c) Buying goods at low prices abroad and selling at higher prices locally. d) Expensive goods selling for low prices.

4.) What can you infer from these sources about the dedication of women like Alice Paul to the movement?

QUESTION 25 Which of the following statements regarding trade is NOT true? a) Trade increases productivity through specialization and production according to comparative advanta b) Trade raises the price of goods for both trading partners. c) Trade increases productivity through specialization and the division of knowledge. d) Trade makes people better off when preferences differ.