Lisa swam one less than 4 times as many laps as amanda. brynne swam 11 more laps than amanda. if lisa & brynne swam the same amount of laps, how many laps did amanda swim?
4 laps
6 laps
9 laps
11 laps

What is the answer to |-2x-5|-|-4+8| and x=7

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 ?

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =