Write a fraction that is closest in value to 0.39

What constants do you need to add to each of the following quadratic equations to complete the square? 2x2 - 3x = 0 x2 - 8x = 0 2x2 - 11x = 18

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0