Answer:
Aysha
Step-by-step explanation:
Aysha's score = 9 – 8.2 = 0.8 + 1.9 = 2.7
Beth's score = –8 + 5.4 = (–2.6) – 1.8 = – 4.4
2.7 > (– 4.4)
The cross section is a trapezoid.
Answer:
(14n - 42)*pi
Step-by-step explanation:
Circumference is 2 * pi * r. Since r in this case is 7n - 21, you can multiply r by 2 and pi, giving you (14n - 42)*pi
