Answer:
The answer is ±0.5 or ±1/2
Step-by-step explanation:
When you solve by using the quadratic formula, you get double roots that will solve the equation. Hope this helps!!
Answer:
d
Step-by-step explanation:
Answer:

Step-by-step explanation:
it's simple my dear friend.
first, she runs 3 miles per week.
so in

b is 3. the initial value.
increasement by 20% means she runs 1.2 times than before.

then a=1.2
so we have now:

and we got it!
Answer:
the answer is 40
Step-by-step explanation:
its simple try and do the link that I put you'll understand how to do this better
Answer:
there's no pic or nun
Step-by-step explanation: