Answer:

Step-by-step explanation:
Answer:
100
Step-by-step explanation:
130 - 30 = 100
I️ believe its 17. your welcome
Answer:
x=13
Step-by-step explanation:
Side Splitter Theorem states that If a line is parallel to one side of a triangle and intersects the other two sides, it divides both sides proportionally.
21/14 =1.5
6x1.5 = 9
x-4=9
x=13
Answer:

Step-by-step explanation:
Given
x² - 3x
To make the expression a perfect square
add ( half the coefficient of the x- term )²
x² + 2( -
)x +
, thus
x² - 3x + 
= (x -
)² ← a perfect square