100-point Question!!! Which equation does the graph of the systems of equations solve?
Two linear functions intersecting at 2, negative 3

A. one halfx + 4 = 2x − 1
B. −one halfx + 4 = −2x − 1
C. −one halfx − 4 = 2x − 1
D. one halfx − 4 = −2x + 1

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)

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?