Two correct answers:
9 + x
x + 9
Or you can say
x - -9
or
9 - -x
The volume is V≈678.58cm³
Answer:
3cm
Step-by-step explanation:
cb is the same length bisector ac, so the answer is <u>3 cm</u>
Y=2x+159 that's the answer .
Answer:
y=4, x=8
Step-by-step explanation:
system:
x+y = 12, x=2y
convert to 1 variable, simplify:
2y+y=12
3y=12
y=4
x=2y=4*2=8
