Use a calculator to find each answer. round to the nearest tenth.
1.) 8392-(530+239)
2.) (984.2 - 845) ÷5
3.) (1000÷14.6) +8.4
4.) (8392-530) + 539

How to solve a simultaneous equation involved with fractions?

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.