(25 points) a weather reporter in your area said that the speed of sound in air today is about one thousand one hundred feet per second. what is that speed in scientific notation?

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.

Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

Need so much on this one how many yards?