Which of the following equations is a quadratic equation?
a
y = 4
b
y = 2x + 4
с
y = 3x2 + 2x + 4
d
y = x3 + 3x2 + 2x + 4

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.

Me d is also an option but i couldn't get it in the picture

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?