I’m pretty sure that is true
Why did the narrator use the phrase “fit together like puzzlec pieces” to describe how the cells of a developing human embryo form a human face
(x-7)(x+12)
X^2 +12x-7x-84
x^2+5x-84. <- answer
The expression /9-(-5)/ means absolute value.
The expression -5 and 9 just show that 5 is negative and 9 is positive
HOPE I HELPED!!!!=D