Dara bought a doll for his little sister. The price on the tag was $35, but it was 25% off. How much did Dara save?

25 ! i need asap! ! ill mark brainliest!

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319