Consider the expression 3n^4-5n^3+9. What is the coefficient of n^3

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle