If sandy can decorate a cake in 2 hours and eric can decorate the same cake in 3 hours, what is their hourly rate working together?

Given this information, which expression must represent the value of b?

1- identificar select the category that corresponds to each term. january 23 11: 59 pm unlimited attempts remaining grade settings 276-279 vocabulary list modelo fiesta quinceañera casada adolescencia viudo juventud navidad niñez vejez aniversario de bodas divorciado madurez cumpleaños soltera

Prove that 16^4-2^13-4^5 is divisible by 11.