Answer:
<h2>11</h2><h2 />
Step-by-step explanation:
<h3>let w= 5</h3><h3 /><h3>4w - 9</h3><h3>= 4 × (5) - 9</h3><h3>= 20 - 9</h3><h3>= 11</h3>

4. 35 is the length
5. 19 is height
2. 198.4
That's all I can help you with sorry
Because 6 * 8 + ( - 2 )* 24 = 48 - 48 = 0 , the vectora u and v are orthogonal ;
Two vectors are orthogonal if their dot product is zero.<span />
Answer:
I think it's
B. UV radiation from the Sun causes overheating of transformers.
Sorry if i'm wrong.
Answer:
Now, Mr Lee's age is 40 years, his son's age is 13 years.
Step-by-step explanation:
<u>4 years ago:</u>
Son's age = x years
Mr. Lee age = 4x years
<u>Now:</u>
Son's age = x + 4 years
Mr. Lee age = 4x + 4 years
The sum of the ages of Mr Lee and his son is 53 now, so

Now, Mr Lee's age is 40 years, his son's age is 13 years.