Simplify the expression: 2b + 4 – b – 4
A: b
B: 3b
C: b+8
D: b-8

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?

G. how many different 6-letter arrangements can be formed using the letters in the word absent, if each letter is used only once? a. 6 b. 36 c. 720 d. 46,656

How do i i solve this equation? -18 = x/3 + 3