Using the sum (addition) and two 2-digit addends, 12 + 34 can be answered without regrouping.
Answer:
0.2 g/mL
Step-by-step explanation:
Density is equal to the mass of substance divided by its volume.
Answer:
B (2,-3) A (7,-8)
Step-by-step explanation:
they are just the same points but in the negative side of the x-axis
Answer:

Step-by-step explanation:
Given:
The given AP is.
12,0,-12,......

The first term of an AP 
Common difference 
We use the the formula for nth term of an AP.
for 87th term





Therefore, The 87th term of given series is -1020.