The product of twice a number and three is the same as the difference of five times the number and 7/9. Find the number.

Ahomeowner plans to hang wallpaper on one wall of a bedroom that is 10 feet long if a stripe of wallpaper is 20 inches wide and stripes or hung vertically how many stripes on wall paper with the homeowner required

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years