Answer:
her equation should be a² + 3² = 4²
Step-by-step explanation:
a² + 3² = 4²
a² + 9 = 16
a² = 7
a = 
a ≈ 2.6 inches
Answer:

Step-by-step explanation:
Given


Required
How far did they row together
To do this, we simply add the distance they both covered.

This gives;

Take LCM


Simplify

<em>Hence, they both rowed 1/2 mile</em>
Answer:
8%
Step-by-step explanation:
27 - 25 = 2
2/25 x 100 = 8%
8% increase
answer is 8%
Answer:
n = -9
Step-by-step explanation:
4(0.5n − 3) = n − <u>0.25(12 − 8n)</u>
2n - 12 = n - <u>3 + 2n</u>
2n - 12 = 3n - 3
2n - 3n = - 3 +12
-1n = 9
n = -9