Answer:
Step-by-step explanation:
x^2=20
just square both sides and u get
x = 4.472135955
Answer:
x= -4
Step-by-step explanation:
distribute
combine like terms
subtract 4x from both sides
subtract 8 from both sides
divide both sides by -2
It has C. Rotational.... 180 degree rotational symmetry
Answer:
x=47
Step-by-step explanation: