Questions in Grade High-school

Questions in Grade High-school

[Done] Why is RNA necessary to act as a messenger?

[Done] When was World War I?

[Done] Two identical freight cars roll without friction towards each other on a level track. One car rolls at 2 m/s, and the other at 1 m/s. After the cars collide, they couple and roll together with a speed of:

[Done] What are two different ways to describe and label the layers of the Earth?

[Done] If the speed of an object is tripled, its kinetic energy will be:

[Done] What are the two major processes involved in the oxygen cycle?

[Done] What three islands are located off the East African coast?

[Done] Solving systems by elimination: \[ 2x + 4y = -4 \] \[ 3x + 5y = -3 \] Please show your work.

[Done] There is a turtle race that will last 2 minutes. Find the distance each turtle will be from the start at the end of the race. The speeds of the turtles (in inches per second) are: - Turtle 1: [tex]\frac{1}{6}[/tex] - Turtle 2: [tex]\frac{2}{3}[/tex] - Turtle 3: [tex]\frac{3}{5}[/tex] - Turtle 4: [tex]\frac{1}{4}[/tex] How do I solve this problem?

[Done] The length of a rectangle is 3 feet less than twice the width of the rectangle. If the perimeter of the rectangle is 324 feet, find the width and the length.