this is because when 40 is broken down into two numbers (one divisible to get out of the square root, and one not) you get 25 + 15 under the square root. we know that the square root of 25 is 5, so we can put 5 outside the root and leave 15 inside.
-------------- try the next problem, and if you don't understand, please reply back.
answer is for a) 
I only know 1 and 2. Just figure out. What other number equals 150 degrees besides 55 and what other number. Also, figure out what number equals 82 degrees.
Answer: 3x - 9
Step-by-step explanation: "9 less than three times a number" does not mean 9 minus three times a number, less than actually switches the order around so that 9 less than three times a number actually means three times a number minus 1 which can be read as 3x - 9.
Answer:
trapezoid, because the figure has exactly one pair of parallel sides.
Step-by-step explanation:
Percent Decrease=old -new/old *100
35-32.73/35*100
2.25/35*100
0.064*100
6.4%
