Answer:
c
Step-by-step explanation:
x ∈ (-oo ; - 1) ∪ (+ 2 ; +oo)
x ∈ (+ 2 ; +oo)
x ∈ (-oo ; - 1)
Finding diagonal sum
#b
Observing the square
830,016 inches
this is how many inches
23.80
You have to divide 476 by 20