Questions in Grade High-school

Questions in Grade High-school

[Homework Help] What three things must happen in order for a chemical reaction to occur?

[Homework Help] Two less than two-thirds of a number is ten.

[Homework Help] The manual for your boat engine calls for 91 octane gas. The gas stations by your house only sell 87 and 93 octane. If the boat's tank holds 30 gallons, how many gallons of each should you buy for a 91 octane mix?

[Homework Help] A ball is kicked 10 meters north, 5 meters west, 15 meters south, 5 meters east, and 5 meters north. Find the total displacement and the total distance it traveled.

[Homework Help] If \( t \) is any real number, prove that [tex]1 + (\tan t)^2 = (\sec t)^2[/tex].

[Homework Help] Tree-living mammals have a variety of specializations for moving in trees, including: A. Very long arms for swinging from tree to tree. B. Sticky pads on their arms and legs that help them cling to tree trunks and branches. C. A prehensile tail used for climbing and hanging from branches. D. All of the above.

[Homework Help] Rewrite the sentence so that it makes sense: An animal kingdom contains many phyla.

[Homework Help] What is the most common form of DNA found in organisms?

[Homework Help] If \( r \) and \( s \) can be any integers such that \( s > 10 \) and \( 2r + s = 15 \), which of the following is the solution set for \( r \)?

[Homework Help] What is the climate of the western region of the US?