Did they give values for the letters??
        
                    
             
        
        
        
Answer:
take angle U as reference angle
using sine rule
sin U=opposite/hypotenuse
sinU=42/42
sin U=1
sin 90=1
therefore the value of U is 90 degree
Step-by-step explanation:
 
        
             
        
        
        
Answer:
$14.08
Step-by-step explanation:
$16.95 * 22% = $3.729
$16.95 - $3.729 = $13.221
^ to find the sale price of the item
$13.221 * 6.5% = $0.859
$13.221 + $0.859 = $14.08
^ to add on sales tax to the sale price
 
        
             
        
        
        
Answer:
Im only in middle school, sorry
Step-by-step explanation:
I have tips tho!
always write information down, only useful ones, and not like "jimmy love to play basketball" kin of stuff.
Think it through, dont just guess.
Hope this helps i guess,
-yuko
 
        
             
        
        
        
Answer:

Step-by-step explanation:
I would explain but then I would sound like an idiot
y=mx+ b