Answer:
<h2>40</h2>
Step-by-step explanation:
90 degree angle
90 - 50 = 40
It is related to econometrics, however using simple algebraic logic we can solve this problem. General formula with residual is

, where r is a residual. Plugging the pair into the formula, we obtain that

and r=0.5
Answer:
B . . . . . .. . ....... .......
Answer:
The number is 3.
Step-by-step explanation:
5x3=15+12=27
9x3=27
Hope this helps