Answer:
C
Step-by-step explanation:
Answer:
8z
Step-by-step explanation:
Since these are like terms, add the numbers together and then put the z on.
Well, it depends if its positive or negative. 2 positive integers will equal a positive, 2 negatives will equal a negative. A negative and a positive will depend.
Answer:
La suma de los ángulos complementarios es 90 °
Step-by-step explanation: