ABCD is a trapezium such that DC=3AB. If L and M are the midpoints of AD and BC respectively, show that LM=2AB

Consider the system: y = 3x + 5 y = ax + b what values for a and b make the system inconsistent? what values for a and b make the system consistent and dependent? explain

What expression is equivalent to (2x-1)(x-3)?

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 ?