Answer:
y=-30x+450
if she reads 30 pages every day it will take 15 days
To solve this problem you must apply the proccedure shown below:
1- The ladder forms an isosceles triangle, because it has two equal sides.
2- Let's call the angle 
. To calculate it , you can divide the triangle into two equal right triangles and the angle will be divided into two equal parts too. Therefore, you can calculate the half of the angle and then multiply it by two, as following:
The answer is: 
Answer:
the answer for that is 35 letter D
If it is 76 feet LOWER than 73 above sea level, then you must do
73-76= -3
So Mudville is 3 feet BELOW sea level.
1) 1x or just x
2) 6y-5
3) 7n+5
4) -9x-6
5) 12x+14
