Solve the equation: 8^3 * 2^3 = ? ? will mark

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?

What rotation was applied to triangle def to create d’e’f’?

What is perpendicular to y=-1/2x+11