Calculate the area of a circle with a diameter of 8cm.
Show all your work.

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

If you draw a card with a value of three or less from a standard deck of cards, i will pay you $43. if not, you pay me $11. (aces are considered the highest card in the deck.) step 1 of 2 : find the expected value of the proposition. round your answer to two decimal places. losses must be expressed as negative values.