Please just write the direct answers for the subtraction polynomial. 1) (-3y+2y^2-6x)-(3y+4y^2+x)

2) (2y^2-x^2-3y)-(-2x^2+y)

3) (-3y-2y^2-6x)-(-2y-y^2-3y)

4) (y^2+2x^2-2y)-(2x^2-y)

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Which one ? is the answer and how to find this answer

How do i solve this (-2,6) (4,3) it's a select all correct answers