What is the simplified expression for –3cd – d(2c – 4) – 4d? a: –5cd b: cd – 8d c: 5cd – 8d d: –5cd – 8d

△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 .

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Consider the expression below. 9 + 4(x + 2) – 3.1 select the term that best describes "3" in the given expression. o a. coefficient variable exponent constant