Express your answers to problems

Chemistry: A Molecular Approach 3
Which structure can exhibit optical isomerism?

Conceptual Physics 12
Problem 9E If Earth were smaller than it is, but the Alexandria-to-Syene distance were the same, would the shadow of the vertical pillar in Alexandria be longer or shorter at noon during the summer solstice?

Anatomy & Physiology 1
The cell membrane of a muscle fiber is called ________. a. myofibril b. sarcolemma c. sarcoplasm d. myofilament

Principles of Economics 6
A price change causes the quantity demanded of a good to decrease by 30 percent, while the total revenue of that good increases by 15 percent. Is the demand curve elastic or inelastic? Explain.

The Practice of Statistics 5
Been to the movies? An opinion poll calls 2000 ran domly chosen residential telephone numbers, then asks to speak with an adult member of the household. The interviewer asks, How many movies have you watched in a movie theater in the past 12 months? In all, 1131 people responded. The researchers used

Calculus for AP
Finding an Indefinite Integral In Exercises, find the indefinite integral. (Note: Solve by the simplest method-not all require integration by parts.) \(\int \frac{x e^{2 x}}{(2 x+1)^{2}} d x\)

Principles of Economics 9
In the model of aggregate demand and aggregate supply, the quantity of _________ is on the horizontal axis, and the _________ is on the vertical axis. a. output; interest rate b. output; price level c. money; interest rate d. money; price level