Solve the following equation by taking the square root 12 - 6n2 = -420 i need

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Will mark name all segments skew to bc

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.