Ajar containing 140 marbles weighs 20 ounces, and the same jar containing only 100 marbles weighs 16 ounces. what is the weight of the jar?

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that