Answer:
(-1,2)
Step-by-step explanation:
along the corridor and down the stairs.
Sorry i dont know what a matrix is but the answer to all 3 of the workers time is, 66
Answer:
The other solution is 12.
Step-by-step explanation:
Break the solution into groups: (x^2+2x)+(-12x-24)
Factor out the x^2 from the first group to get x(x+2)
Factor out the -12 out of the second group to get -12(x-12)
Here we get (x-12)(x+2)
You can see solutions are -2 and 12.
The answer is true. The measure of a right angle will always be 90°