Determine the convergence or divergence of the series. (If you need to use or –, enter INFINITY or –INFINITY, respectively.) [infinity] 2(−1)n + 1 en + e−n n = 1 = [infinity] (−1)n + 1 sech(n) n = 1 lim n→[infinity] sech(n) =

Why is studying fractions important

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!

Express -5 2/5 as an improper fraction.