A construction crew needs to pave a road that is 205 miles long. The crew paves 8 miles of the road each day. The length, L (in miles), that is left to be paved after d days is given by the following function. L(d) = 205-8d (a) If 149 miles of the road is left to be paved, how many days has the crew been paving the road? (b) How many miles of the road does the crew have left to pave after 13 days?