suppose you have a cache of radium, which has a half-life of approximately 1590 years. how long would you have to wait for 1/9 of it to disappear?

The equation 24x2+25x−47ax−2=−8x−3−53ax−2 is true for all values of x≠2a, where a is a constant.what is the value of a? a) -16b) -3c) 3d) 16

Aschool cafeteria has 40 tables. 35% of the tables have 8 chairs at each table. the remaining 65% of the tables have 6 chairs at each table. complete the model. then complete the statements to find the total number of chairs in the cafeteria.

How does the constant rain on venus affects the children in the story?