Ajeweler has 5 rings, each weighing 18 g, made of an alloy of 15% silver and 85% gold. she decides to melt down the rings and add enough silver to reduce the gold content to 75%. how much silver should she add?

Three coins are flipped. what is the probability that there will be at least two tails?

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

What is the distributive prperty to exspress 24+36