Answer:
BC = 7
Step-by-step explanation:
AB + BC = AC
39 + BC = 46
BC = 46 - 39
BC = 7
Answer:
hanger length X hanger height X hanger width
Step-by-step explanation:
In plain and short, nope, their bases must be the same in order for the exponents to be summed up, whilst keeping the same base.