For what valve of Y ,the valve of 256y is 1024

Determine the common ratio and find the next three terms of the geometric sequence. 10, 2, 0.4, a. 0.2; -0.4, -2, -10 c. 0.02; 0.08, 0.016, 0.0032 b. 0.02; -0.4, -2, -10 d. 0.2; 0.08, 0.016, 0.0032 select the best answer from the choices provided a b c d

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.