I'm pretty sure that it's b. That's assuming that you find the negative of b^2 and not the square of negative b.
Use Photomath it would tell you the answer if you take a pic of your question
Answer:
Question?
Is the wording: price of "a" dollars, (in italics)?
If so, the equation would be:
0.8a
Otherwise, if "x" represents the regular price, then the equation would be:
0.8x
Step-by-step explanation:
Answer:
£342,000
Step-by-step explanation:
190,000 x 1.8=342,000
for 1 year
Survey 2 is biased.
Answer is 53%
Hope it helps!