Answer:i dfont kngodw
Step-by-step explanation:
its probably c
Answer:
-66+12 or -54
Step-by-step explanation:
To remove the parenthesis multiply the number outside of the parenthesis (in this case -6) to the numbers inside of the parenthesis (11, and -2).

A negative multiplied by a positive is a negative.

A negative multiplied by a negative is a positive.

Answer:
45 cubic units
Step-by-step explanation:
Vtotal = 1/2 (2.5*3) * 6 *2
where
2.5 is the base
3 is the height
6 is the length
2 is the number of prisms
3. {6,9,15)
for these u have use Pythagoras theorem