Answer:
Step-by-step explanation:
Substitute the second equation into the first one:
Substitute 
into the second equation:
Answer:
it will be -19
Step-by-step explanation:
i hope it helps you
Answer:
Your answer is (D)-7
Step-by-step explanation:
Remove the radical by raising each side to the index of the radical.
x=-1
is used<span> to write very large or very small numbers using less digits. Discover examples of </span>scientific notation used<span> in </span>real life<span> and acquire the comprehension of complex concepts such as polynomials and exponents.</span>
