Which of the following expression(s) are fourth-degree trinomials? Select all that apply.

A.
3x^2y + 5x^3y + 6y^4
B.
6y^4 + 5x^3 + 1
C.
5xy − 5x^2y^2 + 7
D.
3y^3 + 3x^3y^3

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

Determine whether the samples are independent or dependent. upper a data set includes the morning and evening temperature for the lasta data set includes the morning and evening temperature for the last 90 days.90 days.