Answer:
My brother took this test and said it was 35. Im not sure but try it
Step-by-step explanation:
Given:

He does mistake in the order of giving preference.
We should give preference in the order, division, multiplication, addition, subtraction.
But, he gave the first preferrence to the subtraction.
72-8=64
Next, he used division
64/2=32
Next he adds 32 with 8.
So, he gets 50.
But the actual simplification is,
Simplifying we get,

Hence, the correct value of the expression is 86.
In decimal form, 5/4 is equal to 1.25
The First is sec^2(x). Second is 2sec^2tanx. From that you get 2[2sec^2xtan^x+sec^4x]
Answer:
D
Step-by-step explanation:
15 + 2x + x + 3 = 3x + 18
hope this helps