The value of y varies directly with x. When y = 8.4, x = 3.5. What is the value of x when y is 12?

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

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

The base of a rectangular pyramid is 13 inches long and 12 inches wide. the height of the pyramid is 8 inches. what is the volume of the pyramid