I will brainlist who can answer this all! Determine whether each linear system has one solution, no solution, or an infinite number of solutions.

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

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

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.