Element X is a radioactive isotope such that every 3 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 410 grams, how much of the element would remain after 10 years, to the nearest whole number?

Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

John bought 2 horses at rs 20000 each

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?