12 years, use the slope of the line of best fit to find the best estimate for the age of the child.
ex: (3,10), (6,20), (9,30), which means the y value of 40 must be 12.
3t + 15 + 5t - 2t - 4
6t + 15 - 4
6t + 11
Answer:
6 cm for both sides
Step-by-step explanation:
To solve for

You first need to find a common denominator.
To do so, you need to make both denominators 10 by multiplying the top and bottom of

by 5

=

Reduce by dividing both the top and bottom by 2
Your answer is