Column I cos^-1 sqr3/2 Column II tan^-1 1 a. The number in Column I is greater. b. The number in Column II is greater. c. The two numbers are equal. d. The relationship cannot be determined using the given information. Please select the best answer from the choices provided​

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !