Respuesta :

the answer of this problem is 8.3524, because you have to plug in the given numbers for the variable to get a expression without variables then you solve and get 8.3524

c - 2ab 
Substitute nubers for variables
9.49 - 2(2.4)(0.237)
Multiply 2.4 by 0.237
9.49 - 2(0.5688)
Multiply 0.5688 by 2
9.49 - 1.1376
Subtract
Final Answer: 8.3524