B- $7.50. Take 30 and divide it by 4, and you get your weekly subscription cost.
13h and 5min. Hope this helps:)
Since you gave no parenthesis: Remember to follow PEMDAS. Note that anything with the power of 0, the answer will become 1
10^0 = 1
8 x 1 = 8
8 is your answer
hope this helps
