1) 4x + 12x² + 9 + 3y + 2x + 11y
6x + 12x² + 14y + 9
2) x² + 2y + 15x² + 4x + 21
4x + 16x² + 2y + 21
3) 8x + 12 + 17y + 3x + y + 8
11x + 18y + 20
Hope this helps :)
Answer:
Step-by-step explanation:
The last one
6 minivans are needed to take (i think I'm real bad at math)
Answer:
-11
Step-by-step explanation:
Given

Use properties:

Thus,

Answer:
Heredity is the passage of traits from parent to offspring.
Heredity material is also known as DNA.
Heredity is responsible for traits such as eye color and skin color.
Step-by-step explanation: