Answer:
-2b^2+3b
Step-by-step explanation:
You just have to add like terms, which is the single numbers, the numbers with just the variables, and the numbers with variables that are squared.
Answer:
31750
Step-by-step explanation:
<span>Let the distance a string will stretch be l, and the weight attached to the string be w, then l = kw. 9 = 100k => k = 9/100. l = 9/100 w. Therefore, when a weight of 90 pounds is attached, l = 9 / 100 x 90 = 810 / 100 = 8.1 inches.Hope I helped! :) Cheers!I hope that I could help :) sometines those questions are tricky. Let me know if you need additional help</span>
Answer: 40
Step-by-step explanation
if you look at the number 4 it says it = 10
Then you look at 6 and it = 15
then you look at 8 and it = 20
SO everytime you add 2 it goes up 5.
So if you take the 8 and add 2 that's 10 and 10=25
So when you make your way to 16 it would be 40.
Answer- since you are buying x packs of pencils, 2x packs of erasers, and 3x rolls of tape, you would be buying a total of 6x items.
