Which expression is equivalent to -2/5(15 - 20d + 5c)? Select all that apply. A. -30 + 40d - 10c
B. -6 + 8d - 2c
C. -2c + 8d - 6
D. 6 - 8d + 2c

△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 expression is equivalent to (2x-1)(x-3)?

Solve 2^x=32 and rewrite this equation in a logarithmic form