How long must a constant current of 50. 0 a be passed through an electrolytic cell containing aqueous cu2+ ions to produce 4. 00 moles of copper metal?.

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

52(4p+1) ≤ 4 3+12p can someone solve it for me with explanation

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.