What number must you add to complete the square for the equation? X^2+12x=9

Write the rational number in lowest terms 99/-15

If i have 20$ and i gave 5$ away how much i got

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7