Shelley spent 17 minutes washing the dishes. she spent 38 minutes cleaning her room. explain how you can use mental math to find how long shelley spent on the two task.

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?

Draw a scaled copy of the circle using a scale factor of 2

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)