What is the product? (x^4) (3x^3-2) (4x^2+5x)?
Options:
A: 12x^9+15x^8-8x^6-10x^5
B: 12x^24+15x^12-8x^8-10x^4
C: 12x^9-10x^5
D: 12x^24-10x^4

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?

The sum of the abscissa and the ordinate is six