The cosine of an angle in an isosceles right triangle is always √(2) / 2.
Answer:
b
Step-by-step explanation:
bbbnm
Answer:

Step-by-step explanation:
Mod of any number represents the absolute value of the number.
Therefore,
= 2.25




Now we can arrange these numbers in ascending order.
-2.25 < -1.25 < 0.75 < 1.25 < 1.75 < 2.25
Therefore, 
5x-7x=-8
-2x=8
x=-4
this is how to solve it
69.118 is the correct answer