Research and compare two countries in the ways they depend on the environment for the products they export.

For the question, express each of these compound statements in words:

$$\begin{array}{ccccccccccccc}{\mathbf{a.}} {p \wedge q} & {\mathbf{b.}} {\neg p \wedge q} & {\mathbf{c.}} {p \wedge \neg q} & {\mathbf{d.}} {\neg p \wedge \neg q} & {} & {\mathbf{e.}} {\neg(p \wedge q)}\end{array}$$

p :ABCD is a parallelogram. q: ABCD is a rectangle. Which of the statements a to e cannot possibly be true in this case?

The table shows the distance travelled by train between various places in India and the cost of the journey.

$$\begin{matrix} \text{Distance (km)} & \text{204} & \text{1407} & \text{1461} & \text{793} & \text{1542} & \text{343} & \text{663} & \text{780}\\ \text{Cost (rupees)} & \text{390} & \text{2200} & \text{2270} & \text{1390} & \text{2280} & \text{490} & \text{1200} & \text{1272}\\ \end{matrix}$$

a. Find the correlation coefficient, r and comment on your result. b. Find the equation of the regression line. c. Use your equation to estimate the cost of a 1000 km train journey.

Consider the function $f(x)=3 x-x^{2}-1$. a. Write down $f^{\prime}(x)$. b. Show that at x = 1, $f(x)=f^{\prime}(x)$. c. Find the coordinates of a second point on the curve y = f(x) for which $f(x)=f^{\prime}(x)$.

Let

$$w = ( 4 x - 3 y + 2 z ) ^ { 5 }$$

. Find

$$\frac { \partial ^ { 2 } w } { \partial x \partial z }$$

What factors affect how strongly an atom is attracted to its electrons?

Given 3y + x = 30, find the maximum/minimum value of 2xy and determine its nature.

Explain why the pH of a solution containing both acetic acid and sodium acetate is higher than that of a solution containing the same concentration of acetic acid alone.

Choose the word or words that best complete the sentence. People who are descendants of a region's first inhabitants are ________ people. A. ruling B. religious C. indigenous D. conquering

/hat is the difference between delivery cycle time and throughput ti.me? What four elements make up throughput time? What elements of throughput time are value-added and what elements are non-value-added?

Write each rational number as a decimal. State whether the decimal is terminating or repeating. If the decimal repeats, state the block of digits that repeats. -1/6

What is the difference between tangential and radial acceleration for a point on a rotating body?

$$9x^2-1=0$$

Where is the tropical wet and dry climate found?