Answer:
Step-by-step explanation:
145 = 2x + 15
2x = 130
x = 65 (ANS)
Is there an image i don’t understand what expressions you’re asking for?
Answer:
The answer is 9.72 .
Step-by-step explanation:
You can do it by elaborating :
2.43×4 = (2.00×4) + (0.4×4) + (0.03×4)
= 8.00 + 1.6 + 0.12
= 9.72
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 