When John receives $1,000 a year from now, the $1,000 he invested today will be worth $ more than the $1,000 he receives in the future.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55