Which relationship between x and y in the equation shows a proportional relationship? y=1/2x y=x/2+3 y=2x+6 y=12x

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 ?

Which of the following scenarios demonstrates an exponential decay

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?