Expand the following expression 5x(3 – 7y)

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 ?

If the value of cos330°is√3/2 then find cos 165°.

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq