Write the polynomial in standard form. then name the polynomial based on it's degree and number of terms. 3 - 10x^2 - 7x + 3x^2

{0,1,2,3,4,5,6,20,21,22,23,24,25} the distribution is considered to be: skewed the right, skewed the left, not skewed?

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee

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?