Einsteinium-253 is an element that loses about 2/3 of its mass every month. A sample of einsteinium-253 has 450 grams. Write a function that gives the samples mass in grams, s(t), t months from today.

Will give brainliest! aubrey was offered a job that paid a salary of $45,000 in its first year. the salary was set to increase by 2% per year every year. if aubrey worked at the job for 20 years, what was the total amount of money earned over the 20 years, to the nearest whole number?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance