3848*3747 help me please

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

The focus of a parabola is (-4,-5) and its directrix is y=-1 find the equation

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)