If a baby weighs 7 lbs at birth and 12 Ibs after 20 weeks, how much did the baby weigh after 4 weeks, assuming linear growth? [?] lbs

The baby gained 1 pound after 4 weeks

Step-by-step explanation:

If we know that the baby weighted 7 pounds at birth and 12 after 20 weeks then we can subtract 7 from 12 to get 5 so we know that the baby gained 5 poundeds in 20 weeks so to find 4 weeks we can divide 20 by 5 to get 4 week and 5 weeks by 5 to get that the baby gained 1 pound in 4 weeks.

C

Step-by-step explanation:

No, because for two triangles to be similar, the angles must be the exact same.