12 Which expression is equivalent to 6x + 7- 12.2 - (32 + 2) - X?
A
7x - 28
B
7x - 21
С
5x - 28
D
5x - 21

Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.

Solve the system by the elimination method. x + y - 6 = 0 x - y - 8 = 0 when you eliminate y , what is the resulting equation? 2x = -14 2x = 14 -2x = 14

What are the domain and range of the function f(x)=2^x+1