Pls ANSWER if you know the Answer Which statement describes a unit rate?

Kaile checked out 1 DVD from Redbox
Kaile rode her bike 1 mile
Kaile is running 6.2 miles per hour
Kaile bought 3 songs and 1 movie from the app store

The mean temperature for the first 4 days in january was 7°c. the mean temperature for the first 5 days in january was 5°c. what was the temperature on the 5th day?

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Write two subtraction equations that are equivalent to 5 + 12 = 17.