Abus travels 350 km in 4 hours with constant speed how far can travels in 7 hours

Answer this question! 30 points and brainliest! only if you know the answer.

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.

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6