The speaker in Psalm $137$ is both homesick and vengeful. Which lines convey each of these emotions? How do you react to the final line of the psalm?

Use the simplex method to maximize $f=2 x+y+z$ under the constraints

$$\begin{array}{r} x+2 y+4 z \leq 20 \\ 2 x+4 y+4 z \leq 60 \\ 3 x+4 y+z \leq 90 \\ x \geq 0, y \geq 0, z \geq 0 \end{array}$$

Does $\text{N}_2\text{O}$ have a dipole moment?

A sprinkler swings back and forth between A and B in such a way that $\angle 1 \cong \angle 2$, $\angle {1}$ and $\angle {3}$ are complementary, and $\angle {2}$ and $\angle {4}$ are complementary. If $\mathrm { m } \angle 1 = 47.5 ^ { \circ }$, find $\mathbf { m } \angle 2$, $\mathrm { m } \angle 3$, and $\mathbf { m } \angle 4$.

What are the three requirements of a completed gift?

In France, grapes are 1.75 Euros per kilogram. What is the cost of grapes, in dollars per pound, if the exchange rate is 1.36 dollars/Euro?

Factor (over the integers) by grouping in pairs.

$$a x^2-a x+b x-b$$

(a) Compare and contrast the emotions each of these speakers points toward his or her subject. (b) What do these speakers want from the objects of their devotion? Discuss.

List and describe five requirements of organisms .

State the mathematical relationship between Avogadro’s number and 1 mol.

In quadrilateral ABCD, $m \angle A=(5 x-5)^{\circ}$, $m \angle B=(9 x)^{\circ}, m \angle C=(12 x+15)^{\circ}$, and $m \angle D=(15 x-60)^{\circ}$. Which angle has the greatest measure? A. $\angle A$ B. $\angle B$ C. $\angle C$ D. $\angle D$

On what occasion might Psalm $137$ be sung? Does the text of the psalm have any relevance for people today?

Find the GCF of the set of monomials.

$$16 f, 21 a b^2$$

Calculate the molarity of each of the following solutions:

a. 2.00 moles of glucose in 4.00 L of solution

b. 4.00 g of KOH in 2.00 L of solution

c. 5.85 g of NaCl in 400 mL of solution