An astronaut weighs 170 pounds on earth but only 68 pounds on mars. while visiting the planet, the astronaut removes a rock sample that weighs 25 pounds on mars. what is the weight of the rock sample on earth?
a. 1.5 pounds
b. 6.25 pounds
c. 10. pounds
d. 62.5 pounds

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

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