Answer:
-8x^2+26x-21
Step-by-step explanation:
Let us try and solve it analytically. We have that the side=x+3 together with the short side=s and the diagonal=x+4 satisfy the Pythagorean Theorem. Then we have that
. This yields
which yields s^2=2x+7, hence a) is the correct answer.
Answer:
the answer to 0.4 cubed is 0.064
q + 19
Step-by-step explanation:
19 more than q is
q + 19
or
19 + q