The inverse variation equation shows the relationship between wavelength in meters, x, and frequency, y. What is the wavelength for radio waves with frequency 3 × 109? 1 × 10–1 m 3 × 10–1 m 3 × 1017 m 9 × 1017 m.

Which two statements are true about a system? 1. a system is a group of objects analyzed as one unit. 2. energy that moves across system boundaries is conserved. 3. there’s only one way to define the boundaries of a system. 4. all systems are made by humans.

Find the area of shaded region z=-0.89

Sweater originally priced at $65 is on sale for 15% off.you also have a coupon that takes another $10 off.what percent of the original price do you pay?