Answer: 789.39
Step-by-step explanation: Just subtract 89.51 from 878.9.
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We have two congruent trapezoids.
The formula of an area of a trapezoid:

We have:

Substitute:

Answer:

Step-by-step explanation:
Given

Answer:
hi
Step-by-step explanation:
um sometimes i feel like i always have to be perfect because of my parents high expectations for me,but sometimes i can live up to those expectations and i feel like i failed them and i feel like i always have to be perfect my hair my clothes my grades i hate it . i try to be me but i end up doing something wrong and i just feel sad.
Plug in (4,64) into each answer choice.
A) 4(2)^x
64 =4(2)^4
64 = 4(16)
64 = 64
Answer choice A is correct.
B) f(x) = 2(4)^x
64 = 2(4)^4
64 = 2(256)
64 ≠ 512
Answer choice B is incorrect.
C) f(x) = 4(2)^{-x}
64 = 4(2)^{-4}
64 = 4(-0.0625)
64 ≠ 0.25
Answer choice C is incorrect.
D) f(x) = 2(4)^{-x}
64 = 2(4)^{-4}
64 = 2(0.00390625)
64 ≠ 0.0078125
Answer choice D is incorrect.
Your answer is B<span>) f(x)=2(4)^x</span>