The sum of 3 times a number and 12 is 20

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax