X+y=9
y=8x
x+8x= 9
9x = 9
x = 9/9
x = 1
y = 8(1)
y =8
Answer: it’s C. .
Because I have to fill 20 characters
.
<span>Expression- arithmetic or algebraic expression (ex, 12, 5 + 3x)
Terms- number of independent items in an expression
Coefficient- number or constant multiplied by a variable (ex. 3x....3 is coefficient)
Equivalent expression- two or more expressions with the same numerical value</span>
Answer:
6hours/1 day
Step-by-step explanation:
I REALLY hope this helps
Best of luck