Ann is grouping 38 rocks. she can put them into groups of 10 rocks or as single rocks. what are the different ways ann can group the rocks?

△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 .

Percent increase and decrease. original number: 45 new number: 18

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36