Answer:
B. -4
Step-by-step explanation:
-16 + 12 = -4
Answer:
A
Step-by-step explanation:

A polynomial with a degree of 2 can be:
x² + 1
y² + 2
etc..
hope this helps
Answer: d
Step-by-step explanation: formula is 1/2bh 14 times 6 is 84 divided by 2 is 42