Arain barrel is full of water and used to water the garden. the rain barrel loses water at the rate 2.5 gallons of water per minute. after seven minutes, the rain barrel contains 37.5 gallons. write an equation in point-slope form to model the number of gallons (y) of water in the rain barrel after (x) minutes. show or explain your work.

Figure abcde is a regular pentagon. segment ae is located at a (2, 1) and e (4, 1). what is the perimeter of abcde? 4 units 6 units 8 units 10 units

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

What is the domain of the step function f(x)=[2x]-1?