What are the solutions to the quadratic equation 4x2 = 64?
O
x=-16 and x = 16
x= -8 and x = 8
x = -4 and x = 4
x= -2 and x = 2

How do you write something in scientific notation?

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

With alll of except for the 2 that i did already