Lin runs 5 laps around a track in 6 minutes. How many laps per minute is that?

Which has the greater energy, light of wavelength 519 nm or light with a frequency of 5.42 x 10^8 sec^-1?

Given the equation −4  = 12, solve for x and identify if it is an extraneous solution.

Scenario: 2 storage sheds are to have the same area. 1 is square and the other is rectangular. the rectangular shed is 4 meters wide and 9 meters long question: how large is one side of the square shed in meters?