Hydra are small freshwater animals. they can double in number every two days. suppose there is an initial population of 60 hydra, when will there be more than 5000 hydra?

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73