Find the sum of -38 + (-57)

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Write a story that matches with the expression 42x-5 pls hurry