The height of a trapezoid is 4 inches and it's area is 40 inches what's the lengths of the other bases?

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?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Average acceleration: i have no idea how to do this.