Answer:
A
Step-by-step explanation:
if these are fractions than its A.
2x-4=2
4x-5=5/4

Divide both the numerator and denominator by 9 to get;

Convert the improper fraction to a mixed number;
Answer:

Step-by-step explanation:
Using the Pythagorean identity
sin²x + cos²x = 1, then
sinx = 
Note that (
)² = 
sinΘ = 
=
= 
We can't see the rectangular prism...
2, 11, 31, 59 and 97 are all prime numbers.