3. A man whose height is 2.1 m casts a shadow that is 3.2 m in length. What is the approximate height of a building that casts a shadow of 11.5 m?
2.1 m
3.2 m
11.5 m
Oo oo
9.6 m
17.5 m
7.5 m
10.4 m

7.5

Step-by-step explanation:

set up a ratio

11.5 / 3.2 = h/ 2.1

h = 11.5/3.2 * 2.1 = 7.5

false

step-by-step explanation:

4y - 6 + 4y^2 - 9

before simplifying this contains 4 terms

after simplifying

4y -15 + 4y^2

it contains 3 terms

answer: when you burn wood, the carbon reacts with the oxygen in the air to create ash and smoke. that is a permanent change you cannot undo that.

step-by-step explanation: