Given: x - 5 > -2.

choose the solution set.

a) {x | x r, x > -7}
b) {x | x r, x > -3}
c) {x | x r, x > 3}
d) {x | x r, x > 7}

Arectangle has a perimeter of 20 cm. the length, x cm, of one side of this rectangle is uniformly distributed between 1 cm and 7 cm. find the probability that the length of the longer side of the rectangle is more than 6 cm long.