(+3) + ( -1) + ( -6) = (+7) + (+7) + (+9) = (+9) + ( -3) + (+5) = ( -8) + (+7) + (+4) =

(+2) + ( -7) + ( -7) = ( -5) + ( -3) + (+9) =

(+1) + (+1) + ( 0) = ( -7) + (+1) + (+8) =

(+7) + (+4) + (+2) = (+2) + (+8) + (+3) =

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.

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.