Help me pick one! i’ll give brainliest

Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. lilianna uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(.75+1)=12.25 to represent the situation. what does the variable d represent in the equation?

Which statement about the graph of y = 8(0.25)^2

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet