Which of the following expressions are equal to 1/2? select all that apply cos pi/3 csc pi/4 sec pi/3 sin pi/6

Mindy bought 5/8 pound of almonds and a 3/4 pound of walnuts.which pair of fraction cannot be used to find how many pounds of nuts she bought in all.

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

Consider the function f(x)=-5x+3 what is f(-2)