Seven times as much as the sum of 1/3 and 4/5

What is the inverse of the function f(x)=4x+8

What is the measure of ac? 5 units 13 units 26 units 39 units

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