For given sentence, write the verb form that agrees with the subject.

A few, however, (has, have) never won.

Dr. Watson comblnes 400 $\mathrm{mL}$ of detergent, 800 $\mathrm{mL}$ of alcohol, and $1,500 \mathrm{mL}$ of water. How many liters of solution does he have?
(A) 2.7 liters (B) 27 liters (C) 270 liters (D) 2,700 liters

Alcohol wiped across a tabletop rapidly disappears. What happens to the temperature of the tabletop? Why?

How does ribbon contribute to creating a certain mood or feeling?

In the mentioned exercise, if the coin is assumed fair, then, for n=2, what are the probabilities associated with the values that $X$ can take on?

On the basis of your calculations, explain why the shoe-shop owner might find it difficult to choose between the two locations.

$$\begin{array}{|c|c|c|} \hline \textbf { Year } & \textbf { Location A } & \textbf { Location B } \\ \hline 0 & (\$ 12000) & (\$ 12000) \\ \hline 1 & \$ 3000 & \$ 6000 \\ \hline 2 & \$ 4000 & \$ 5000 \\ \hline 3 & \$ 5000 & \$ 3000 \\ \hline 4 & \$ 6000 & \$ 2000 \\ \hline 5 & \$ 5000 & \$ 5000 \\ \hline \end{array}$$

$$\begin{array}{|l|c|c|c|c|} \hline \textbf { Year } & 1 & 2 & 3 & 4 \\ \hline \textbf { Discount factors @ 10\% } & 0.91 & 0.83 & 0.75 & 0.68 \\ \hline \end{array}$$

For each set of terms below, choose the one term that does not belong and explain why it does not belong. actin, melanin, myosin.

Hypotheses are best described as:

A. assumptions.

B. replications.

C. explanations.

D. predictions.

Confirm your understanding of the text by creating a timeline of the story's events.

The average daily time $R$ of the sunrise and the average daily time $S$ of the sunset for each month in Dallas, Texas, are given in the table. The variable $t$ is measured in months, with $t=0$ representing January 1.

$$\begin{array}{|c|c|c|c|c|c|c|c|c|c|c|c|c|} \hline \boldsymbol{t} & 0.5 & 1.5 & 2.5 & 3.5 & 4.5 & 5.5 & 6.5 & 7.5 & 8.5 & 9.5 & 10.5 & 11.5 \\ \hline \boldsymbol{R} & 7: 29 & 7: 10 & 6: 37 & 5: 58 & 5: 29 & 5: 20 & 5: 31 & 5: 51 & 6: 11 & 6: 32 & 6: 58 & 7: 21 \\ \hline \boldsymbol{s} & 17: 45 & 18: 12 & 18: 36 & 18: 58 & 19: 20 & 19: 36 & 19: 35 & 19: 11 & 18: 33 & 17: 54 & 17: 27 & 17: 24 \\ \hline \end{array}$$

Graph the functions you found. Use a viewing window of $0 \leq x \leq 48$ and $0 \leq y \leq 24$. Describe the periods, amplitudes, and locations of local maximums and minimums. How are the functions alike? How are they different?

It has been claimed that $65 \%$ of homeowners would prefer to heat with electricity instead of gas. A study finds that $60 \%$ of 200 homeowners prefer electric heating to gas. In a two-tail test at the $0.05$ level of significance, can we conclude that the percentage who prefer electric heating may differ from $65 \%$ ? Determine and interpret the $p$-value for the test.

Sketch a graph of u, v, and u+v. Then demonstrate the triangle inequality using the vectors u and v. u = ⟨-3, 2⟩, v = ⟨1, -2⟩

In the Great Lakes, zebra mussel concentrations of up to 700,000 per square meter have been reported. At this density, how many zebra mussels were there per 1 square centimeter?

Involves practices including asking questions and constructing explanations