Answer:
the answer is the top one and the last one. Hope it helped :)
The answer is <u>A. 98</u>.
Because when you subtract 115 - 45 it equals 70 then you add 70 + 69 which equals 139 then you subtract 237 - 139 it equals <u>98</u> which is your answer!
<h2> Hope this helps!</h2>
Answer:a=81/2 or 40.5
Step-by-step explanation:
(d1 x d2)/2=a