100 pts if u do it right!

1: multiply do not solve for x. just multiply them!
2(x+3) 4x(x+2)
/ *
x(x-1) 10(x+3)

2: simplify

4x^2+2x

x^2+z-2

8x^2+4x

3x^2+10x+8

3: add. do not solve for x. just add.

3x x-2
+
x+3 x

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours