Answer:
90
Step-by-step explanation:
do 10x 3 so you have 30 x 30 = 90 so your answer is 90
You can simplify to 9i/3+9i
Multiply by 3 - 9i / 3 - 9i
You get 27i + 81 / 90
The score that she needs in her next test to averages 72 is 77
(73+88+64+58+x)/5=72
(283+x)/5=72
283+x=(72x5)
X=360-283
X=77
Check
(73+88+64+58+77)/5=72
(360/5)=72
72=72
The hexagon is made up of two trapezoids, each having the following dimensions:
So, its total area is the sum of the areas of those two trapezoids.