What is the common difference in the following arithmetic sequence? 7, 3, –1, –5,

Can u guys do this ratio question. this is extremely urgent a tap is leaking water at a rage of 1l every 8 hours. how long will it take for the tap to leak a total of 300ml?

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?