Respuesta :

powertripnn0313
do PEMDAS 

so do 4-2 which is 2

2 x 9 is 18 x 10 is 180

45 - 8 is 37 

180 divided by 37 is 4.9
Parentheses Exponents Multiplication/Division Addition/Subtraction 

 4-2 =2

2 x 9= 18 x 10 =180

45 - 8 = 37 

180 / 37 = 4.9