Identify the following as an observation (O), a hypothesis (H), an experiment (E), or a conclusion (C): Jim drinks a glass of lactose-free milk and does not have any stomach cramps.

Identify the following as an observation (O), a hypothesis (H), an experiment (E), or a conclusion (C): One hour after drinking a glass of regular milk, Jim experienced stomach cramps.

Identify each activity as an observation (O), a hypothesis (H), an experiment (E), or a conclusion (C). At a popular restaurant, where Chang is the head chef, the following occurred: Chang decided that the house salad needed a new dressing.

Identify each activity as an observation (O), a hypothesis (H), an experiment (E), or a conclusion (C). At a popular restaurant, where Chang is the head chef, the following occurred: Chang determined that sales of the house salad had dropped.

Read the labels on products used to wash your dishes. What are the names of some chemicals contained in those products?

Does the solubility of carbon dioxide increase or decrease with an increase in temperature?

What is the range of values on the vertical axis?

What is measured on the vertical axis?

What does the title indicate about the graph?

At what temperature does carbon dioxide have a solubility of $0.20 \mathrm{~g} / 100 \mathrm{~g}$ water?

What is the solubility of carbon dioxide in water at $25^{\circ} \mathrm{C}$ ?

At what temperature does carbon dioxide have a solubility of 0.20 g/100 g water?

What is the solubility of carbon dioxide in water at 25 $\degree$C?

Solve the following for $z$ :

$$\frac{4 z}{-12}=-8$$