Respuesta :

mbaratiz

Answer:

Step-by-step explanation:

Ver imagen mbaratiz

#a

pattern 0 will include 4 reds in square

Because it's independent of pattern no

#b

Figure 1 has 4+4=8

Figure 2=4+8+2=14

Figure 3=4+12+3=19

The pattern n rule is

  • n²+3n+4

So for 13th n

  • 13²+3(13)+4
  • 169+39+4
  • 212squares

#c

attached

  • y=x²+3x+4

#d

Already given in c

Ver imagen Аноним