What is the sum? (1/x+2)+(1/x+3)+(1/x^2+5x+6)

a. 2/x+2
b. 1/x+1
c. -2/(x+3)(x+2)
d. -2(x-3)/(x+3)(x+2)

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?