How do you do this or what's the answer my teacher sucks.

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

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

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4