A door sign has a length of 5 inches and an area of 8 1/8 square inches. Find the unknown width.​

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

The table shows the total distance that myra runs over different time periods. which describes myra’s distance as time increases? increasing decreasing zero constant

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)