If the average price of four pairs of shoes is $50 and 3 of those pairs of shoes are priced at $35 $40 and $55 what is the price of the fourth pair of shoes

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

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 ?