The ares of the triangle APQ is 99 cm2 Ans the area of the triangle ABC is 11cm2. BC is parallel to PQ Ans the length of PQ is 12cm. Calculate length of BC.

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64