Solve 2x2 − 8x = −7.

negative 2 plus or minus square root of 2

negative 2 plus or minus 2 square root of 2

quantity of 2 plus or minus square root of 2 all over 2

2 plus or minus square root of 2 end root over 2

Matteo makes raspberry punch. the table shows how many parts ginger ale and raspberry juice to use for a batch. raspberry punch parts ginger ale 2 parts raspberry juice 3 matteo decides to add one part of raspberry juice. what is the new ratio of ginger ale to raspberry juice?

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.