Which graph represents the function y=2sin(1/2x)?

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

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog