Answer:
-7y (2)
Step-by-step explanation:
You can multiply the price of the journals with the answer choices and add that amount with how much his backpack cost and that'll give you your final cost.
<h2>
Answer: C. 4 notebooks</h2>
It is in the air 5.625 seconds.
Using the quadratic formula,

0 is when the ball is first launched, 5.625 is when it hits the ground again.
Easy! multiply the 6% by $8 then add it to the $8, now, multiply the 15% by the total of the cost with tax. then you all that to the total. ($9.75)