Answer:

Step-by-step explanation:

Answer:
scroll down
Step-by-step explanation:
basically each 3 units is 18 meters so 6 meters=1 unit
its 60 by 30 which means
10 units by 5 units
so
<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em> </em><em>⤴</em>
<em>Hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em><em>:</em><em>)</em>
To solve this, we simply need to break down and comprehend the words and form our equation.
"45 decreased by"
This shows that we are going to be subtracting 45 by something.
45-
"twice a number"
The "twice" implies that it is going to be 2 multiplied by something, and "a number" represents our variable, n.
45-2n
Using the logic above, we can see the equation to represent this phrase is 45-2n.
Answer:
-2.6x^2 - 2
Step-by-step explanation:
I must assume that by " x²_1 " you actually meant " x² - 1."
If that's the case, then our focus becomes simplifying the given expression:
- 2.1x² + 3 – 0.5x² - 1 => -2.6x^2 - 2 (answer)