What is 1/2 to the power of 3

For the equation below, x is the input and y is the output. y = -4x + 3 if the input is -8, then the output is

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?

Will give brainliestbased on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m?