Answer:
"Big Game's competitive footballs are the exact dimensions set down by the NCAA – approximately 10.5 to 11.5 inches in length, with a circumference of roughly 28 inches on the long side of the ball and 21 inches on the short side."
Step-by-step explanation:
Hope this helps
<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em><em>:</em><em>)</em>
Answer:

Step-by-step explanation:
Complementary angles sum up to
.

Best Regards!
(7+√5)(3-√5)=21-7√5+3√5-5=16-4√5
Answer: (7+√5)(3-√5)=16-4√5