Zara and Chester are building fences. Zara uses fence panels that are each 6 feet long and Chester uses fence panels that are each 4 feet long. If both of their fences are the same length, what is the shortest possible length that Zara's fence could be? Give your answer in feet.

я \( \sqrt{25 a^{2}+10 a b+b^{2}} \) при \( a=3 \frac{2}{7}, b=\frac{4}{7} \)

3. Kristen made \( \frac{3}{8} \) of her free throws for the season. Which percent is equivalent to \( \frac{3}{8} \) ? A. \( 37.5 \% \) B. \( 38 \% \) C. \( 38.5 \% \) D. \( 375 \% \)

Diketahui jumlah deret aritmetika \( 5+7+9+ \) \( 11+\ldots \) sama dengan 8.460 . Tentukan: a. banyaknya suku dalán deret aritmetika b. suku terakhirnya Jawab:

10) \( (-5)+(-7)=-12 \in R \)

\( 1.11 \cdot 10 \cdot 9! \) 2. \( \frac{25!}{23!3!} \) 3. \( P_{5} \) 4. \( C_{16}^{4} \)