Asquare piece of paper 144 mm on a side is folded in half along a diagonal. the result is a 45 -45-90 triangle. what is the length of the hypotenuse
a: 140 mm
b: 12 square root 2
c: 280mm
d: 140 square root 2

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

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)