Vance's Books sold 189 bookmarks this year. That is 5% more than the store sold last year. How many bookmarks did Vance's Books sell last year?
bookmarks

△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .

What is the standard form of -5x^2+2x^4-11+x^3+3x

10% of 1,900,000. show me how you got the answer