The local dealerships sold a total of 81 vehicles. How many more vehicles were sold by Truck City than by RV City? I NEED HELP ASAP

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Which of the following is true for the relation f(x)=2x^2+1

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8