Which of the following are accepted without proof in a logical system? Check all that apply
A. Axioms
B. Common Notions
C. Postulates
D. Theorems

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

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?