What is the value of the expression below when simplified? 4[5(3 − 1)]2 − 23

What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955