Answer:
-17 = k
Step-by-step explanation:
16=-2(k+9)
Distribute the -2
16 = -2k -18
Add 18 to each side
16+18 = -2k-18+18
34 = -2k
Divide by-2
34/-2 = -2k/-2
-4x = -10
i believe this is right im sorry if it is not.
1, volume=23×9×5
=1035
2, volume=(1/2×5×4)×20
... =200
3.
9514 1404 393
5 + (-2)
starting with: 5 - 2
step 1: 5 + ( )
step 2: 5 + (-2)