Blew.

74
(x-7, -6, -5, -4, -3)

Boo

Color green.

A carpet.

Words.

29
(a+b=c, b+c=d, c+d=e …)

Water on the knee.

Zero. Three persons were hit by the bullets.

54, 58
(x*2, +1, *2, +2, *2, +3, *2, +4)

All of them!

45 years.

Let X equal the time left on the lease (which makes "time past" equal to 99-X). Set up the equation:

2/3 * (99-X) = 4/5 * X

Solve for X to get the answer.