PLZZZ HELP I NEED NOTE ABOUT UNDERSTANDING PERCENTS ON EDGE2020 50 POINTS AND BRAINLIEST FOR FIRST ANSWER

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

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?