What is the square root of PI (this is not a test question i just wanna know what it is) No non- links, blank answers, or mean messages. everything in exclamation mark (!!) means its important

What are the domain and range of the function? f(x) = -4 (sqrt)x

What are the interpretations of the line 3x - 15y = 60? x-intercept y-interception a: x 20 - y -4 b: x 5 - y 20 c: x -3 - y 15 d: x -4 - y 20

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?