Find the solution to the following system by substitution. ]
y = -2x - 3
y = 3x + 12
]
A. (3, 21)
B. (-3, 3)
C. (-3, -9)
D. (-9/5, 3/5)

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?