Answer:
a. 
b. 
Step-by-step explanation:
In numerical expressions we write numbers with the mathematical symbols (  i.e. '+', '-' etc )
a. Given phrase,
Three fifths of seven,




b. One sixth the product of four and eight,




 
        
             
        
        
        
Answer:
A
Step-by-step explanation:
Using the sine ratio in the right triangle 
sin40° =  =
 =  =
 = 
Multiply both sides by 7, thus
AC = 7sin40° → A
 
        
                    
             
        
        
        
1.67 is your answer 13.98 - 3.96=10.02 10.02 divided by 6 = 1.67
Hope I helped
        
             
        
        
        
Use m=y2-y1/x2-x1 when you find the slope of two coordinates :)