Answer:
31°
Step-by-step explanation:
The upper and lower triangles are similar, because their bases are parallel.
This implies that their correspondent angles have the same measure: the correspondent angle of x is the 31° angle.
Tu tia tenia 21 años de wear despues de 9 años de edad.
Answer:
7=a
Step-by-step explanation:
look at image for step by step
Answer:

Step-by-step explanation:
So basically the equation is (x+2) times (x+6). Use the FOIL method to multiply across like this:
x*x + x*6 + 2*x + 2*6

Combine like terms
x^2 + 8x + 12
Thank me later :)