How do atmosphere and large bodies of water affect climate in various regions?

If i got an 1040 on my psat, what are the chances of being able to get a 1400 on the sat. and are there any recommended ways to study.

Iqualified for the horatio alger scholarship. it is awarded based on financial need, but students must have a 2.0 gpa to apply. to qualify, students must pursue a degree at a four-year college.

Jerrold has to buy 12 copies of a textbook which costs $36.25 per copy. how much must he spend for them?