Answer:
huh .
Step-by-step explanation:
XY=10
Y=X+3
X(X+3)=10
X^2+3X=10
X^2+3X-10
(X-2)(X+5)
Answer:
4. (d, the last one)
5. (a, the first one)
Step-by-step explanation:
If 12.6 was rounded, that means that it was rounded to the tenths place.
You know this because the number has one decimal place, so that must be what it was rounded to.
If 1.5 and 2.5 are the height and base, then just use Pythagorean theorem,
