The cost for 7 dance lessons is 82$. the cost for 11 lessons is 122$. write and solve an equation to find the cost of 4 lessons

For the equations below which statement is true ? -2x=14 6x=-42

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters

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 ?