Step-by-step explanation:
first of all you times every number with two 2(n-7) then collect like terms then divide
Answer:

Step-by-step explanation:
Given: Height: x
Base: 
Now, finding the area of triangle.
Formula; Area of triangle= 
⇒ Area of triangle= 
⇒ Area of triangle= 
Hence, area of triangle= 
<u>Answer:</u>
$14
<u>Step-by-step explanation:</u>
Assuming the cost of folder to be
, then the cost of notebook will be
and the cost of set of pencils will be
.
Cost of the folder = $2
Cost of notebook = 4 × 2 = $8
Cost of pencil = 2 × 2 = $4
Total cost of 1 folder, 1 notebook and 1 set of pencils = $2 + $8 + $4 = $14
Answer:
315 miles
Step-by-step explanation:
90 times 3 plus 45
3x + 6 >=0 that's the equation and yes it would be greater