What is the unit rate in dollars for each company?

The unit rate for "On call" is 35 cents per hour and "Talk time" is $2.50 per hour.

On call: In order to get a unit rate, the second part of the ratio must be 1. 10 divided by 10 is 1. However, what you do to the second part you must do to the first. 3.5 / 10 = .35 or 35 cents in this case.

Talk time: 1/2 an hour isn't a full hour (since we are finding the money paid per FULL HOUR). This means we must multiply 1/2 by 2 in order to get 1. However, what you do to the first part you must do to the second part. $1.25 x 2 = $2.20. $2.20 is paid every FULL hour.

step-by-step explanation:

the shape,the size and the distance

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.