Answer:
Step-by-step explanation:
Given: Trey's test score average decreased by 14 points this semester.
To find: a signed number to represent this change in average.
Solution:
The decrease can be denoted by minus 
sign and increase can be denoted by plus 
sign.
So, a signed number to represent the change in test score average is
This is a simple addition/subtraction question question
4+3 = 7 km 12-7 = 4 therefore he still has 4 km to go
Let cranberry juice be x.
Let citrus fruit juice be y.
x + y = 630
x + 0.1y = 630*0.23
Solving this yields,
x = 91
y = 539
Therefore, you need 91 oz of pure cranberry juice and 539 oz of fruit juice.
Hope this helps.:)
Answer:
9
Step-by-step explanation:
Answer:
-11
Step-by-step explanation:
hope that can help!!
