Which is the equation of an ellipse centered at the origin with endpoints of major and minor axes at : (0, -7), (0, 7), (-3, 0), (3, 0)?

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Is the square root of 4 plus the square root of 16 rational?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with