What number should be added to both sides of the equation to complete the square? x^2+12x

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false