Answer = B = 376 degrees - 3x
Easy, showing work,
using the method FOIL (First,Outer,Inner, Last)
Take, (x+3)(x+5) and multiply,
First,
x*x=

Outer,
x*5=5x
Inner,
3*x=3x
Last,
3*5=15
Add the terms together,

+8x+15 (

+5x+3x+15)
Thus, your answer.
Answer:
Length: 10 cm
Width: 5 cm
Step-by-step explanation:
The answer is 2.
This is because the line crosses the x axis in 2 different places.
Hope this helps!