the usual price of a printer was 28,000 at a computer fair it was sold at a discount of 30% what was the selling price of the printer

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?

Cuántos triángulos forman un diamante