Answer:

Step-by-step explanation:
-In a right triangle, the Sine of the base acute angle is usually given as:

-In ΔVWX,, VX is the opposite and WV the hypotenuse.
-Therefore, sine of ∠Wis calculated as;

Hence, sine of ∠W is given represented by the ratio 
no way dude really? thats so cool
Answer:
add 5x +2x and then find value of other numbers
Answer:
Therefore Nat deposited $500 when he opened the account.
Step-by-step explanation:
Given that Nat opened an account that earns 1.4% simple annual interest. He will earn $21 total interest after t years.
The simple interest formula is

I= interest= $21
P= Principal=?
t= time in year= 3 years.
r = rate of interest= 1.4%= 0.014



=$500
Therefore Nat deposited $500 when he opened the account.
6. I think it's b but I could be wrong hope I helped.