-PLEASE HELP-WILL MARK BRAINLIEST- :) Bob walks 4 miles north then heads west until he gets to school. If the school is 7 miles from Bob’s house, how far west does Bob have to walk?

A, √33

B. √21

C. 3 Miles

C

Step-by-step explanation: 7 -4 = 3 miles

plz tell me if its wrong so i can fix it i hope this helps

all it means is function 3

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have