Complete the statement - "IN the expression 7a, a is the "
1. exponent
2. variable
3. coefficient
4. product

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Need on this geometry question. explain how you did it.

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