23.
By completing the square, solve
x^2 + 12x -c=0
where c is a positive constant.
Give your answers in surd form in terms of c.
You must show your working.

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

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj:

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample