Answer:
2
Step-by-step explanation:
Fill in each function's argument and do the arithmetic.

Answer:
16
Step-by-step explanation:
(b/2)^2
(8/2)^2 = (4)^2 = 16
(x^2+8x+16) = -3+16
(x+4)^2 = 13
so on so forth, but basically you add 16 which completes the square
Answer:
B
Step-by-step explanation:
Answer:
190 cm²
Step-by-step explanation:
Use the area of a trapezium formula: 
where a and b are the top and bottom bases, and h is the height.
Therefore,
area =
= 190 cm²