Answer:
Step-by-step explanation:
D algebraic expression
B difference
E sum
I product
J coefficient
C variables
H equation
Answer:
look at this
Step-by-step explanation:
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 