D) improves d) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improvesd) improves
Step-by-step explanation:
<u>Break down the word expression:</u>
The sum of 5 and b divided by two
the sum (+) of 5 and b (5 + b) divided by 2.
<u>Expression:</u>

Parentheses represent that we need to add first, in order to divide the sum by 2.
Check the angle. If it they are less than 90°<span> , so they will result in acute angles. </span>
The Correct Answer is Option B
r = 4
Ex. CONVERT 2 + 2 = 4 x 4 = 16