The richter magnitude of an earthquake, m, is related to the energy released in ergs, e, by the formula m=2/3log(e/10^11.8). find the energy released by an earthquake of magnitude 4.2

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93

Which of the following equations is equivalent to x/3-6/x=1

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x,and the distance in miles, y, that he travels.