Answer:
The equation is already in simplest form.
Step-by-step explanation:
you cannot combine any of the numbers because they are not like terms, so it cannot be simplified further.
Answer:
x = 63
Step-by-step explanation:
It's Quadrilateral so:
360-90-72= x + x +22 (Cause that 2 triangle is isosceles)
2x=126
x=63
Answer:
72
Step-by-step explanation:
80x.90= 72
600 every 10 years is the right answer