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## Homework Statement

Rank from largest to smallest:

2i+7j-4k , 3i+j-k , 7i - 2j +4k , 4i + 7j - 3k

Explain please

## Homework Equations

## The Attempt at a Solution

Don't understand how and what to look for

## Homework Statement

A receiver starts at +2i - 3j with the units being expressed in yards. i is the the right and j is downfield. The receiver goes +9.0i +12j , -6i +4.0j , +12.0i + 18j and the quarterback drops back -7.0j.

How far must the quarterback throw the ball?

In which direction must the quarterback throw the ball? In degrees

## Homework Equations

## The Attempt at a Solution

I have drawn it and the 2 answers I came up with are 41 and 38 yards. Neither are right. I don't know how to find the angle.

## Homework Statement

Ax = +5.7 Bx = -9.8

Ay = -3.6 By = -6.5

The magnitude of the vector difference , is closest to:

16,11,250

## The Attempt at a Solution

I have tried 5 and -5 and right now looking at my paper I forgot the equation I used but it must have been wrong

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