Show all the steps that you use to solve this problem in the space provided. Z1 and 22 are supplementary angles. mZ1 is 4y + 7, and mZ2 is Sy + 4. Find mZ2.

Me n o w. i need t h i s. 10 points

Y+ 2/y is it a polynomial in one variable or not? and if so, why?

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?