Find the angle between the given vectors to the nearest tenth of a degree.
u = < 6, -1> , v = < 7, -4>

20.3°
10.2°
0.2°
30.3°

What is the value of x when x + 7 = 21?

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.