11 x 9 is 99 so then you do 11 x d and that’s 11d so it would be 99+11d :)
Answer:
the answer is B
Step-by-step explanation:
^^
Answer:
<h2><u>[D] 13.9</u></h2>
Explanation:
- <em>Pythagorean theorem: a² + b² = c²</em>
- <em>Solve for hypotenuse (side x) using: c = √a² + b²</em>
12.8² + 5.3² = 191.93
√191.93
= 13.8538803229
<em>Round the answer</em>
13.9
