Jenny wants to make sure that she is well rested so she slept for 8 hours if an hour has 60 minutes how many minutes of sleep did she have

What does x = in this equation x+3+2x=x+5

Need asap. solve for the following inequality

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.