Which step is not necessary when solving this system of equations by graphing? (3x-y-4
x+y=-4
O Identify the point of intersection.
O Choose a method to graph the equations
Determine the shaded area for each line
Write the solution as an ordered pair.

In the geometric progression –3, 12, −48… what term is 3,072?

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)