Polly's parents car weighs about 3500 pounds. samantha, esther, and pollys each wrote the weight of the car in scientific notation. polly wrote 35.0×10^2, samantha wrote 0.35×10^4, esther wrote 3.5×10^4. a. which of these girls are correct? b. explain the mistakes of those who got the question wrong.

Correct answer brainliest asap an d 99 pointsss what are relative frequencies to the nearest hundredth of the columns of two way table column a 102, 18 colunm b 34, 14 answers choices 0.15 0.25 0.29 0.44 0.56 0.71 0.75 0.85

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?