Answer:
-9
Step-by-step explanation:

Your calculator can help with this.
9 is in parentheses therefore it's elevated above 3 that means you have to do operations on it first.
3 + (-9) = -6
The sum is negative.
1 yard = 3 feet.
3 yards = 3 * 3 = 9 feet
9 feet < 10 feet
Hope that helped =)
Answer:
D
Step-by-step explanation:
(3x6)x15=270 in
the volume formula is base times width times height.
This shape is a Rectangle because the sides aren’t even