Pls i need help asap

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33