avadoncaster avadoncaster
  • 02-03-2021
  • Mathematics
contestada

HELPPPP ASAPPP MARKING BRAINLIEST

HELPPPP ASAPPP MARKING BRAINLIEST class=

Respuesta :

Yopleasehelpme Yopleasehelpme
  • 02-03-2021

Answer:

1) a

2) c

3) a

Step-by-step explanation:

1) Subsitute

2.14x - 42.9 = ?

2.14(22.4) - 42.9 = ?

47.936 - 42.9 = ?

= 5.036

2) Factor out

6y^2 + 27y

both have 3 and y in common so ...

3y(2y + 9)  

3) Distribute

12m(m - 3n)

12m * m = 12m^2

12m * -3n = -36mn     the only reason -3 is NOT a positive is b/c it has subtraction sign b4 the number

put it in order:

12m^2 - 36mn

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