Here you go mate. Look at the attachment
Answer:
6. 8b²-5b-4
7. -3x²+9x-4
8. 3
9. 6a+15
Step-by-step explanation:
you will subtract/add the numbers with the same variables and exponent.
ex. (number 6) 7b²+ b²= 8b²
5b= 5b 8b²+5b-4
1-5= -4
(plus 5b because it didnt come out to a negative) if you have any questions, say in the comments and ill try my best to help
He’d make 13 packages; each one would have 1 player and 3 headphones.
5.1 times 4 sides equals the answer would be 20.4<span />
+ <span>use t for the number of hours the meeting room is rented
+ </span><span>college charges a reservation fee of $49 and an additional fee of $5.40 per hour.So we have 49+ 5.40t
+ </span>the film club wants to spend less than $81.40 on renting the meeting room, and we need:<span>49+ 5.40t< 81.40
or 5.40t < 81.40- 49
and 5.40t< 32.40
t< 32.40: 5.40= 5.629
So </span><span>the possible amounts of time for which they could rent the meeting room 5.6 hours</span>