Questions in Grade High-school

Questions in Grade High-school

[Done] Tim works part-time at a retail store. His salary varies directly with the number of hours worked. Last week, he earned $99.45 for 13 hours of work. This week, he earned $160.65. Write and solve an equation that represents this scenario.

[Done] Why is \(\frac{1}{6}\) greater than \(\frac{1}{8}\) but less than \(\frac{1}{3}\)?

[Done] How many edges does a cube have?

[Done] Why did Hitler feel justified in taking over Austria and the Sudetenland?

[Done] Adam drew two rectangles of the same size and divided them into the same number of equal parts. He shaded [tex]\frac{1}{3}[/tex] of one rectangle and [tex]\frac{1}{4}[/tex] of the other rectangle. What is the least number of parts into which both rectangles could be divided?

[Done] What is the difference in the charges on a balloon rubbed in your hair and a glass rod rubbed with silk? Why?

[Done] Use elimination to solve this system of equations: 1. \( x - 4y = -11 \) 2. \( 5x - 7y = -10 \)

[Done] What was the Columbian Exchange?

[Done] If a runner covers 400 meters in 50 seconds, what is the runner's average speed? What if the runner takes 60 seconds to cover the same distance?

[Done] Use elimination to solve this system of equations. \[ 2r + 3s = 9 \] \[ 3r + 2s = 12 \]