What number must be added to both sides of the equation to complete the square? x^2-14x=7

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

What does the relationship between the mean and median reveal about the shape of the data

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)