Answer:
A
Step-by-step explanation:
The higher the negative number is the farther left it will be.
A= 1/2 bxh because if you are trying to find area you have to use the the formula A=1/2 bxh
Answer: x=-5
Step-by-step explanation:
Answer:
(x - 3)(x + 7)
Step-by-step explanation:
x^2 + 4x - 21
=> x^2 + 7x - 3x - 21
=> x(x + 7) -3(x + 7)
=> (x + 7)(x - 3)
All three angles on a triangle always equal 180°.
Example: 100°+40°+40°=180°
102+39=141°
180-141=39°
x = 39°