Your answer is 1.0 good luck hope i helped u ☺

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) 
Answer:
x = -15
Step-by-step explanation:
x - 15 = -30
add 15 to both sides
x = -15
Answer:
8.) 3
9.) x+5
10.) 50x/2x-5
11. 3n4-n3(cubed)/n3+n2-n-1
Step-by-step explanation:
Answer:
For every shell sold there is an output of 40 cents
Step-by-step explanation:
Because 80 divided by 2 is 40 so therefore 1 shell=40 cents