Answer:
"((6))" is known number that we can't place any other numbers instead of it
but
"((a))" is unknown number that we can place any other number we want instead of it.
that's the defference between them.
Eliminating parentheses gives
10.5u -18 = 8.25
10.5u = 26.25
u = 2.5
The value of u is 2.5.
_____
What fun! Michael spent 2.5 hours walking up the hill for 0.5 hour of time sledding down.
Answer:
3/8 gallons of water is in it.
Step-by-step explanation:
7/8-1/2=7/8-4/8=3/8
Answer: It is D
Step-by-step explanation:
