The answer would be 15+$5.50(9)=$64.50 is less than $12+$6.25(10)= 74.50
Answer:
Ratio as a fraction in simplest form is,
Step-by-step explanation:
Ratio defined as the relationship between the quantities of something i.e,
a: b = 
Given: 51 correct : 9 incorrect
By definition of ratio:
51 correct : 9 incorrect = 
Divide both numerator and denominator by 3 we get;

then
The ratio as a fraction in simplest form is, 17 correct : 3 incorrect or 
Answer: It’s C = 7
Step-by-step explanation:
(i) In 7x ; 7 is coefficient of x. (ii) In 7xy, the numerical coefficient of the term 7xy is 7 and the literal coefficient is xy.
I think it is correlation