Answer:(9y-7)(9y+7)
Step-by-step explanation:
81y^2-49
=(9y)^2-(7)^2
=(9y-7)(9y+7)
Here you go, you’ll probably have to re-word it for your answer but that was the simplest way to answer it for me.
Answer:
parallelogram
Step-by-step explanation:
four sided and parallel
A) Let x = number of presale tickets
<span>y = number of day of show tickets </span>
<span>x + y =< 800 </span>
<span>6x + 9y >= 5000 </span>
<span>b) 6x + 9y >=5000 </span>
<span>6(440) + 9y >=5000 </span>
<span>y >= 262.2 </span>
<span>263 tickets </span>
<span>440 advance purchase tickets added to 263 day of show tickets is 703 tickets, which is below the 800 ticket maximum.</span>
