The answer is A trust me I did it before
The phrase would be: "z divided by the difference of 8 and 9"
Answer:
the third one 10 cm, 9cm 9cm
Answer:
and
.
Step-by-step explanation:
The equation can be simplified with the help of trigonometric identities:

Which means that equation is equal to zero if any component of the product is zero. The solutions of the expression are:
a) 

b) 



Any value different of both subsets do not satisfy the equation described above.
Answer:
1.511
Step-by-step explanation: