Doretta is choosing tiles for a mosaic in a kitchen. she wants to choose two tiles that’s are similar but not congruent. wich pair of tiles could she use?

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.