Answer:
Step-by-step explanation:
To solve this problem you must apply the proccedure shown below:
1. You have that she substituted into the simplified expression and the result was -4.
2. Therefore, if you substitute into all the expressions shown in the options, you will see that the result of the expression is -4, as you can see below:
Answer:
d² ≥ 17
Step-by-step explanation:
Answer:
a 20 X 40 X x
b just a guess but 2 centimeters
c 1600 or 800 depending on what x is
Answer:
124 degrees
Step-by-step explanation:
the angle is identical to the obtuse angle across from it