The capacity of a cone is 252 cubic cm and 20 cm tall. Find its width​

Which is the most efficient first step to solve x in the equation 3.7x - 18 = -4.3x -34 a. add 3.7x to both sides of the equation. b. add 4.3x to both sides of the equation. c. subtract 18 from both sides of the equation. d. subtract 34 from both sides of the equation.

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Abcd is a parallelogram. the diagram is not drawn to scale. if m