Multiple choice please answer please

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

Grant simplified the expression 1.5(-3.2 + 2.5) his work is shown below explain the error in grants work

Teresa is maintaining a camp fire. she can keep the fire burning for 4 hours with 6 logs. she wants to know how many logs (y) she needs to keep the fire burning for 18 hours. she assumes all the logs are the same how many logs does tressa need to make a 18 hour fire?