Answer:
575.4 sq inches
Step-by-step explanation:
you can divide this shape into:
13 x 13 square
trapezoid with bases of 13 and 30 with a height of 20
semi-circle with radius of 15
A(square) = 169
A(trapezoid) = 53
A(semi-circle) = 353.4
Solving
we get 
Option A is correct.
Step-by-step explanation:
We need to find the result of 
We need to remove i from the denominator. For removing i Multiplying and dividing by 2-3i:

Solving:

So, solving
we get 
Option A is correct.
Keywords: Complex numbers
Learn more about Complex numbers at:
#learnwithBrainly
Answer:
= 11x + 2
Step-by-step explanation:
2(x+1)+9x
Distributive property
= 2x + 2 + 9x
Simplifying
= 11x + 2