Simplify: -14cd-2c^2d^2+15cd+9c^2d^2-15cd

In the film, zeke the zombie slayer versus the zombies from space, zeke slayed 140 zombies. in the sequel, zeke the zombie slayer versus the zombies from space, part 2, he slayed 5% more zombies. how many zombies were slain by zeke in the sequel?

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?