Answer: just want points tbh
Step-by-step explanation:
Answer: $80.44
Step-by-step explanation:
First of all, find 20% of 78.86, which is approximately 15.77.
Then, add it to the cost of the meal.
Finally, discount 15% of 94.63, which is approximately $14.19, and then subtract it from $94.63, and there's your answer.
Answer:

Step-by-step explanation:

To find the inverse of this function, temporarily the f(x) with a y (or whatever else you want) and then solve for the x.

Now, you can swap the variables again and write the function.

Answer:
hmm very diffecult.
Step-by-step explanation:
if f (x) = StartRoot
<span>the tens digit = n
</span><span>the units digit = n-5
n + n-5 = 9
2n = 9+5
2n = 14
n = 7 </span>← the tens digit
the units digit = n-5 = 7 - 5 = 2
<span>the number is 72</span>