Answer:
The answer is -10 because a negative plus a positive is negative
Answer is -10
Step-by-step explanation:
Answer:
(3x+4)(3x+4) is factor of given expression.
B is correct.
Step-by-step explanation:
We are given an expression 
Formula: 
First we write each term as perfect square as formula.


Using formula , a=3x and b=4

Now we write same number two times.
Hence, (3x+4)(3x+4) is factor of given expression.
Answer:
A clinical test on humans of a new drug is normally done in three phases. Phase I is conducted with a relatively small number of healthy volunteers. For example, a phase I test of a specific drug involved only 7 subjects.
Step-by-step explanation:
Answer:
Here I think you need to do $15-50%=7.5 and $10-50=5