Answer:
b) -4
Step-by-step explanation:
Well your at 2 and going to -2 so on a number line you be going back or left.
Going two left gets you to zero and going two more get you -2. So in total you went back four and that be represented as -4.
Answer:
7 meters
Step-by-step explanation:
(3*m) + (4*m)
7 meters
One board is 31.5 inches long. all the boards together is 157.5 inches long
1/2 x base x height
1/2 x 6 x 8 = 24 (a)