Given equations A and B as 2/5x+y=12 and 5/2y-x=6, respectively, which expression will eliminate the variable x?

What is the slope of a loading ramp that rises 3 inches for every horizontal change of 12 in?

Calculate the interest produced by a principal of $ 4,500 at 5% annual simple interest in 8 months.

ed is reading a book that has 8 chapters with a total of 75 pages. the first 7 chapters each have the same number of pages but the eighth chapter is only 5 pages long what is the number of pages in each of the first 7 chapters

Aa'ida is ordering laminate flooring to install in a number of condominium kitchens she's remodeling. She has to remodel 10 total kitchens each measuring 8 feet * 10 feet. Each box of the laminate she'll be purchasing covers 1 square meter.

If angle ACB=65 what is ACD

what is 4 and 2/3 + 7/9

Digital clocks can display how many numbers that are perfect squares

19. Which one of the following statements expresses a true proportion? A. 3 : 5 = 12 : 20 B. 2 : 3 = 3 : 2 C. 42 : 7 = 6 : 2 D. 14 : 6 = 28 : 18

What is the solution to 4|0.5x - 2.5| = 0?

Simplest form for 15/20