What number should be added to both sides of the equation to complete the square x^-10x=7

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

What is the distance between point a and b

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?