Choose the algebraic description that maps the image ΔABC onto ΔA′B′C′. Question 2 options:

(x, y) → (x – 4,y)

(x, y) → (x, y + 4)

(x, y) → (x, y – 4)

(x, y) → (x + 4,y)

Choose the correct classification of 3x4 − 9x3 − 3x2 + 6. 5th degree polynomial 4th degree polynomial 9th degree polynomial 24th degree polynomial

If a is a nonzero real number then the reciprocal of a is

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?