Answer:

Step-by-step explanation:
10 * sqrt(81/25 * -1) = 10 sqrt(81/25) * sqrt(-1) = 10 *9/5 * i
2100/1 or 4200/2, could be either
Choice A is correct
BC=DC
the two triangles share one angel C
the two triangles each have a right angle
so they are congruent according to Angle-Side_Side Theorem
The answers is 4 because 4 goes in to 8 and into 36
A. 24 servings. you take the faction 1 1/4 and convert it into a decimal (1.25). 1.25×24=30. Therefore making your answer "A".