16 portions
explanation:
12 / 3/4
= 12 * 4/3
= 4*4 = 16
Answer: + -
Step-by-step explanation:
Use FOIL:
+ + +
Make and have the same numerator:
Then add like terms and simplify:
+ -
Answer: A= 1,-5 b=5,-3
Step-by-step explanation: i dont have one