Answer:
It should be 4.29 if I’m not mistaken.
Step-by-step explanation:
You can find the unit price by dividing 30 by 7.
X-X^2/ (x-3)^2 try that I’m not 100% sure tho
Answer:

Step-by-step explanation:
Given expression:

Substitute

into the expression:

Answer:
sry I can't understand how to do this question
Hi there! The answer is 210 pages.
We can find our answer by looking at the proportions:
20 % is 42 pages.
10 % is 21 pages (42 / 2).
100% is 210 pages. (21 × 10).