Unauthorized access, modification, or use of an electronic device or some element of a computer system is called a)denial-of-service attack. b)spamming. c)hacking. d)hijacking.

the correct option is C(Hacking).

Explanation:

Hacking can ba defined as an unauthorized access, modification, or use of an electronic device or some element of a computer system. This could be an illegal act which is punishable by law. Hacking is usually done by professionals through cracking of passwords and codes which gives access to the computer systems.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2