Find the value of x. Then classify the triangle by its angles.

A.
92; acute

C.
120; obtuse

B.
120; acute

D.
92; obtuse

Which of the following is the result of expanding

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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)

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10