102 and 102
72 and 72
142 and 142
Answer:
i havent did this in years BUt i will try the top would be the same as the bottom
Step-by-step explanation:
F(-9)= 1/3(-9)^2 + 5
F(-9) = 1/3(81) + 5
= 27 + 5
= 32
Hope this helps!
Step-by-step explanation:
cosA = AC² + BC²- AB² / 2 • AC • BC
cos A = 13.5²+23.9²-12.7²/2• 13.5 • 23.9
Explanation:
The common difference of this arithmetic sequence is 5. Adding 5 to an even number gives an odd number, and vice versa. Hence the "parity" of the terms in the sequence must alternate between odd and even.
