Sin the process of solving an equation. the original equation and the first step are
shown below.
original:
step one:
3a + 6 = 2 - 5a + 7
3a + 6 = 2 + 7 - 5a
which property did the student use for the first step? explain why this property is correct.

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 missing in the explicit formula for the compound interest geometric sequence below?

What is the value of the discrimination for the quadratic equation 0=×2+2+×2