Answer:
If the third term of an arithmetic sequence is-21and the sixth term is-6 find the first and eighth term of the sequence
Step-by-step explanation:
Total amount of fencing
= 4x + 3(3x + 1)
= 4x + 9x + 3
= 13x + 3
The square numbers smaller than 75 are 1, 4, 9, 16, 25, 36, 49, 64
1+49+25=75 seems to be the only set possible.
1+7+5=13
the answer is 13
Answer:
Step-by-step explanation:
