The mass of the sun is 1.989x10^30 kilograms. the mass of the earth is 5.98x10^24 kilograms. about how many times bigger is the sun than the earth?

If i have 20$ and i gave 5$ away how much i got

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Tom drove 206 miles in 3.9 hours. estimate his average speed.