a plumber needs 100 feet of pipe for a job. she plans on buying copper pipe and PVC pipe. copper pipe costs $4.50 per foot and PVC pipe costs $1.10 per foot. the plumbers budget is up to $350

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

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